diff --git a/packages/mock/src/msw/index.ts b/packages/mock/src/msw/index.ts
index 1d25ac3b9..f8189d3f7 100644
--- a/packages/mock/src/msw/index.ts
+++ b/packages/mock/src/msw/index.ts
@@ -113,13 +113,9 @@ const generateDefinition = (
 
   const delay = getDelay(override, !isFunction(mock) ? mock : undefined);
   const isHandlerOverridden = isReturnHttpResponse && !isTextPlain;
-  const infoParam = isHandlerOverridden ? 'info' : '';
+  const infoParam = 'info';
   const handlerImplementation = `
-export const ${handlerName} = (${
-    isHandlerOverridden
-      ? `overrideResponse?: ${returnType} | ((${infoParam}: Parameters<Parameters<typeof http.${verb}>[1]>[0]) => Promise<${returnType}> | ${returnType})`
-      : ''
-  }) => {
+export const ${handlerName} = (overrideResponse?: ${returnType} | ((${infoParam}: Parameters<Parameters<typeof http.${verb}>[1]>[0]) => Promise<${returnType}> | ${returnType})) => {
   return http.${verb}('${route}', ${
     (isReturnHttpResponse && !isTextPlain) || delay !== false ? 'async' : ''
   } (${infoParam}) => {${
@@ -127,6 +123,7 @@ export const ${handlerName} = (${
       ? `await delay(${isFunction(delay) ? `(${delay})()` : delay});`
       : ''
   }
+  ${isReturnHttpResponse ? '' : `if (typeof overrideResponse === 'function') {await overrideResponse(info); }`}
     return new HttpResponse(${
       isReturnHttpResponse
         ? isTextPlain
diff --git a/samples/angular-app/src/api/endpoints/pets/pets.msw.ts b/samples/angular-app/src/api/endpoints/pets/pets.msw.ts
index 1582a4a5f..1223cb56d 100644
--- a/samples/angular-app/src/api/endpoints/pets/pets.msw.ts
+++ b/samples/angular-app/src/api/endpoints/pets/pets.msw.ts
@@ -34,6 +34,7 @@ export const getListPetsMockHandler = (
 ) => {
   return http.get('*/v:version/pets', async (info) => {
     await delay(1000);
+
     return new HttpResponse(
       JSON.stringify(
         overrideResponse !== undefined
@@ -47,9 +48,18 @@ export const getListPetsMockHandler = (
   });
 };
 
-export const getCreatePetsMockHandler = () => {
-  return http.post('*/v:version/pets', async () => {
+export const getCreatePetsMockHandler = (
+  overrideResponse?:
+    | void
+    | ((
+        info: Parameters<Parameters<typeof http.post>[1]>[0],
+      ) => Promise<void> | void),
+) => {
+  return http.post('*/v:version/pets', async (info) => {
     await delay(1000);
+    if (typeof overrideResponse === 'function') {
+      await overrideResponse(info);
+    }
     return new HttpResponse(null, { status: 201 });
   });
 };
@@ -63,6 +73,7 @@ export const getShowPetByIdMockHandler = (
 ) => {
   return http.get('*/v:version/pets/:petId', async (info) => {
     await delay(1000);
+
     return new HttpResponse(
       JSON.stringify(
         overrideResponse !== undefined
diff --git a/samples/basic/api/endpoints/petstoreFromFileSpecWithTransformer.ts b/samples/basic/api/endpoints/petstoreFromFileSpecWithTransformer.ts
index 66dc5a6e2..f0dbeb669 100644
--- a/samples/basic/api/endpoints/petstoreFromFileSpecWithTransformer.ts
+++ b/samples/basic/api/endpoints/petstoreFromFileSpecWithTransformer.ts
@@ -147,6 +147,7 @@ export const getListPetsMockHandler = (
 ) => {
   return http.get('*/v:version/pets', async (info) => {
     await delay(1000);
+
     return new HttpResponse(
       JSON.stringify(
         overrideResponse !== undefined
@@ -160,9 +161,18 @@ export const getListPetsMockHandler = (
   });
 };
 
-export const getCreatePetsMockHandler = () => {
-  return http.post('*/v:version/pets', async () => {
+export const getCreatePetsMockHandler = (
+  overrideResponse?:
+    | void
+    | ((
+        info: Parameters<Parameters<typeof http.post>[1]>[0],
+      ) => Promise<void> | void),
+) => {
+  return http.post('*/v:version/pets', async (info) => {
     await delay(1000);
+    if (typeof overrideResponse === 'function') {
+      await overrideResponse(info);
+    }
     return new HttpResponse(null, { status: 201 });
   });
 };
@@ -176,6 +186,7 @@ export const getListPetsNestedArrayMockHandler = (
 ) => {
   return http.get('*/v:version/pets-nested-array', async (info) => {
     await delay(1000);
+
     return new HttpResponse(
       JSON.stringify(
         overrideResponse !== undefined
@@ -198,6 +209,7 @@ export const getShowPetByIdMockHandler = (
 ) => {
   return http.get('*/v:version/pets/:petId', async (info) => {
     await delay(1000);
+
     return new HttpResponse(
       JSON.stringify(
         overrideResponse !== undefined
diff --git a/samples/next-app-with-fetch/app/gen/pets/pets.msw.ts b/samples/next-app-with-fetch/app/gen/pets/pets.msw.ts
index d25944eae..7369d6129 100644
--- a/samples/next-app-with-fetch/app/gen/pets/pets.msw.ts
+++ b/samples/next-app-with-fetch/app/gen/pets/pets.msw.ts
@@ -418,6 +418,7 @@ export const getListPetsMockHandler = (
 ) => {
   return http.get('*/pets', async (info) => {
     await delay(1000);
+
     return new HttpResponse(
       JSON.stringify(
         overrideResponse !== undefined
@@ -440,6 +441,7 @@ export const getCreatePetsMockHandler = (
 ) => {
   return http.post('*/pets', async (info) => {
     await delay(1000);
+
     return new HttpResponse(
       JSON.stringify(
         overrideResponse !== undefined
@@ -462,6 +464,7 @@ export const getUpdatePetsMockHandler = (
 ) => {
   return http.put('*/pets', async (info) => {
     await delay(1000);
+
     return new HttpResponse(
       JSON.stringify(
         overrideResponse !== undefined
@@ -484,6 +487,7 @@ export const getShowPetByIdMockHandler = (
 ) => {
   return http.get('*/pets/:petId', async (info) => {
     await delay(1000);
+
     return new HttpResponse(
       JSON.stringify(
         overrideResponse !== undefined
diff --git a/samples/react-app-with-swr/src/api/endpoints/petstoreFromFileSpecWithTransformer.msw.ts b/samples/react-app-with-swr/src/api/endpoints/petstoreFromFileSpecWithTransformer.msw.ts
index 429d01744..ee334639a 100644
--- a/samples/react-app-with-swr/src/api/endpoints/petstoreFromFileSpecWithTransformer.msw.ts
+++ b/samples/react-app-with-swr/src/api/endpoints/petstoreFromFileSpecWithTransformer.msw.ts
@@ -47,6 +47,7 @@ export const getListPetsMockHandler = (
 ) => {
   return http.get('*/v:version/pets', async (info) => {
     await delay(1000);
+
     return new HttpResponse(
       JSON.stringify(
         overrideResponse !== undefined
@@ -69,6 +70,7 @@ export const getCreatePetsMockHandler = (
 ) => {
   return http.post('*/v:version/pets', async (info) => {
     await delay(1000);
+
     return new HttpResponse(
       JSON.stringify(
         overrideResponse !== undefined
@@ -91,6 +93,7 @@ export const getShowPetByIdMockHandler = (
 ) => {
   return http.get('*/v:version/pets/:petId', async (info) => {
     await delay(1000);
+
     return new HttpResponse(
       JSON.stringify(
         overrideResponse !== undefined
diff --git a/samples/react-app/src/api/endpoints/petstoreFromFileSpecWithTransformer.msw.ts b/samples/react-app/src/api/endpoints/petstoreFromFileSpecWithTransformer.msw.ts
index 6fa4e436f..c1222bc67 100644
--- a/samples/react-app/src/api/endpoints/petstoreFromFileSpecWithTransformer.msw.ts
+++ b/samples/react-app/src/api/endpoints/petstoreFromFileSpecWithTransformer.msw.ts
@@ -34,6 +34,7 @@ export const getListPetsMockHandler = (
 ) => {
   return http.get('*/v:version/pets', async (info) => {
     await delay(1000);
+
     return new HttpResponse(
       JSON.stringify(
         overrideResponse !== undefined
@@ -47,9 +48,18 @@ export const getListPetsMockHandler = (
   });
 };
 
-export const getCreatePetsMockHandler = () => {
-  return http.post('*/v:version/pets', async () => {
+export const getCreatePetsMockHandler = (
+  overrideResponse?:
+    | void
+    | ((
+        info: Parameters<Parameters<typeof http.post>[1]>[0],
+      ) => Promise<void> | void),
+) => {
+  return http.post('*/v:version/pets', async (info) => {
     await delay(1000);
+    if (typeof overrideResponse === 'function') {
+      await overrideResponse(info);
+    }
     return new HttpResponse(null, { status: 201 });
   });
 };
@@ -63,6 +73,7 @@ export const getShowPetByIdMockHandler = (
 ) => {
   return http.get('*/v:version/pets/:petId', async (info) => {
     await delay(1000);
+
     return new HttpResponse(
       JSON.stringify(
         overrideResponse !== undefined
diff --git a/samples/react-query/basic/src/api/endpoints/petstoreFromFileSpecWithTransformer.msw.ts b/samples/react-query/basic/src/api/endpoints/petstoreFromFileSpecWithTransformer.msw.ts
index f18effc46..0e8940274 100644
--- a/samples/react-query/basic/src/api/endpoints/petstoreFromFileSpecWithTransformer.msw.ts
+++ b/samples/react-query/basic/src/api/endpoints/petstoreFromFileSpecWithTransformer.msw.ts
@@ -86,6 +86,7 @@ export const getListPetsMockHandler = (
 ) => {
   return http.get('*/v:version/pets', async (info) => {
     await delay(1000);
+
     return new HttpResponse(
       JSON.stringify(
         overrideResponse !== undefined
@@ -99,9 +100,18 @@ export const getListPetsMockHandler = (
   });
 };
 
-export const getCreatePetsMockHandler = () => {
-  return http.post('*/v:version/pets', async () => {
+export const getCreatePetsMockHandler = (
+  overrideResponse?:
+    | void
+    | ((
+        info: Parameters<Parameters<typeof http.post>[1]>[0],
+      ) => Promise<void> | void),
+) => {
+  return http.post('*/v:version/pets', async (info) => {
     await delay(1000);
+    if (typeof overrideResponse === 'function') {
+      await overrideResponse(info);
+    }
     return new HttpResponse(null, { status: 201 });
   });
 };
@@ -115,6 +125,7 @@ export const getListPetsNestedArrayMockHandler = (
 ) => {
   return http.get('*/v:version/pets-nested-array', async (info) => {
     await delay(1000);
+
     return new HttpResponse(
       JSON.stringify(
         overrideResponse !== undefined
@@ -137,6 +148,7 @@ export const getShowPetByIdMockHandler = (
 ) => {
   return http.get('*/v:version/pets/:petId', async (info) => {
     await delay(1000);
+
     return new HttpResponse(
       JSON.stringify(
         overrideResponse !== undefined
diff --git a/samples/react-query/custom-client/src/api/endpoints/petstoreFromFileSpecWithTransformer.msw.ts b/samples/react-query/custom-client/src/api/endpoints/petstoreFromFileSpecWithTransformer.msw.ts
index f18effc46..0e8940274 100644
--- a/samples/react-query/custom-client/src/api/endpoints/petstoreFromFileSpecWithTransformer.msw.ts
+++ b/samples/react-query/custom-client/src/api/endpoints/petstoreFromFileSpecWithTransformer.msw.ts
@@ -86,6 +86,7 @@ export const getListPetsMockHandler = (
 ) => {
   return http.get('*/v:version/pets', async (info) => {
     await delay(1000);
+
     return new HttpResponse(
       JSON.stringify(
         overrideResponse !== undefined
@@ -99,9 +100,18 @@ export const getListPetsMockHandler = (
   });
 };
 
-export const getCreatePetsMockHandler = () => {
-  return http.post('*/v:version/pets', async () => {
+export const getCreatePetsMockHandler = (
+  overrideResponse?:
+    | void
+    | ((
+        info: Parameters<Parameters<typeof http.post>[1]>[0],
+      ) => Promise<void> | void),
+) => {
+  return http.post('*/v:version/pets', async (info) => {
     await delay(1000);
+    if (typeof overrideResponse === 'function') {
+      await overrideResponse(info);
+    }
     return new HttpResponse(null, { status: 201 });
   });
 };
@@ -115,6 +125,7 @@ export const getListPetsNestedArrayMockHandler = (
 ) => {
   return http.get('*/v:version/pets-nested-array', async (info) => {
     await delay(1000);
+
     return new HttpResponse(
       JSON.stringify(
         overrideResponse !== undefined
@@ -137,6 +148,7 @@ export const getShowPetByIdMockHandler = (
 ) => {
   return http.get('*/v:version/pets/:petId', async (info) => {
     await delay(1000);
+
     return new HttpResponse(
       JSON.stringify(
         overrideResponse !== undefined
diff --git a/samples/svelte-query/src/api/endpoints/petstoreFromFileSpecWithTransformer.msw.ts b/samples/svelte-query/src/api/endpoints/petstoreFromFileSpecWithTransformer.msw.ts
index c11d5eed7..13ecfb767 100644
--- a/samples/svelte-query/src/api/endpoints/petstoreFromFileSpecWithTransformer.msw.ts
+++ b/samples/svelte-query/src/api/endpoints/petstoreFromFileSpecWithTransformer.msw.ts
@@ -34,6 +34,7 @@ export const getListPetsMockHandler = (
 ) => {
   return http.get('*/v:version/pets', async (info) => {
     await delay(1000);
+
     return new HttpResponse(
       JSON.stringify(
         overrideResponse !== undefined
@@ -47,9 +48,18 @@ export const getListPetsMockHandler = (
   });
 };
 
-export const getCreatePetsMockHandler = () => {
-  return http.post('*/v:version/pets', async () => {
+export const getCreatePetsMockHandler = (
+  overrideResponse?:
+    | void
+    | ((
+        info: Parameters<Parameters<typeof http.post>[1]>[0],
+      ) => Promise<void> | void),
+) => {
+  return http.post('*/v:version/pets', async (info) => {
     await delay(1000);
+    if (typeof overrideResponse === 'function') {
+      await overrideResponse(info);
+    }
     return new HttpResponse(null, { status: 201 });
   });
 };
@@ -63,6 +73,7 @@ export const getShowPetByIdMockHandler = (
 ) => {
   return http.get('*/v:version/pets/:petId', async (info) => {
     await delay(1000);
+
     return new HttpResponse(
       JSON.stringify(
         overrideResponse !== undefined
diff --git a/samples/vue-query/src/api/endpoints/petstoreFromFileSpecWithTransformer.msw.ts b/samples/vue-query/src/api/endpoints/petstoreFromFileSpecWithTransformer.msw.ts
index 16ca132bc..59b378826 100644
--- a/samples/vue-query/src/api/endpoints/petstoreFromFileSpecWithTransformer.msw.ts
+++ b/samples/vue-query/src/api/endpoints/petstoreFromFileSpecWithTransformer.msw.ts
@@ -45,6 +45,7 @@ export const getListPetsMockHandler = (
 ) => {
   return http.get('*/v:version/pets', async (info) => {
     await delay(1000);
+
     return new HttpResponse(
       JSON.stringify(
         overrideResponse !== undefined
@@ -67,6 +68,7 @@ export const getCreatePetsMockHandler = (
 ) => {
   return http.post('*/v:version/pets', async (info) => {
     await delay(1000);
+
     return new HttpResponse(
       JSON.stringify(
         overrideResponse !== undefined
@@ -89,6 +91,7 @@ export const getShowPetByIdMockHandler = (
 ) => {
   return http.get('*/v:version/pets/:petId', async (info) => {
     await delay(1000);
+
     return new HttpResponse(
       JSON.stringify(
         overrideResponse !== undefined
@@ -102,9 +105,18 @@ export const getShowPetByIdMockHandler = (
   });
 };
 
-export const getPostApiV1UserLogoutMockHandler = () => {
-  return http.post('*/api/v1/user/logout', async () => {
+export const getPostApiV1UserLogoutMockHandler = (
+  overrideResponse?:
+    | void
+    | ((
+        info: Parameters<Parameters<typeof http.post>[1]>[0],
+      ) => Promise<void> | void),
+) => {
+  return http.post('*/api/v1/user/logout', async (info) => {
     await delay(1000);
+    if (typeof overrideResponse === 'function') {
+      await overrideResponse(info);
+    }
     return new HttpResponse(null, { status: 200 });
   });
 };
diff --git a/tests/specifications/any-of.yaml b/tests/specifications/any-of.yaml
index 3ef725fe4..c324717ae 100644
--- a/tests/specifications/any-of.yaml
+++ b/tests/specifications/any-of.yaml
@@ -19,6 +19,9 @@ paths:
                 enum: ['B']
               - type: string
                 enum: ['C']
+      responses:
+        '204':
+          description: Ok
 components:
   schemas:
     A: