diff --git a/API.md b/API.md
index a4768e2..e22e0b6 100644
--- a/API.md
+++ b/API.md
@@ -79,6 +79,7 @@ console.log(document.string()); // get JSON string
 | [options] | <code>Object</code> |  |
 | [options.base] | <code>string</code> \| <code>object</code> | <p>Base object whose properties will be retained.</p> |
 | [options.referenceIntoComponents] | <code>boolean</code> | <p>Pass <code>true</code> to resolve external references to components.</p> |
+| [options.baseDir] | <code>string</code> | <p>Pass folder path to</p> |
 
 **Example**  
 **TypeScript**
diff --git a/src/index.ts b/src/index.ts
index ab8b01a..50b0fd8 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -15,6 +15,7 @@ import { resolveV3Document } from './v3/parser';
  * retained.
  * @param {boolean} [options.referenceIntoComponents] Pass `true` to resolve
  * external references to components.
+ * @param {string} [options.baseDir] Pass folder path to 
  *
  * @return {Document}
  *
@@ -81,7 +82,7 @@ export default async function bundle(files: string[], options: any = {}) {
   const parsedJsons = files.map(file => toJS(file)) as AsyncAPIObject[];
 
   if (typeof options.baseDir !== 'undefined') {
-    parsedJsons.forEach( parsedJson => resolveBaseFileDir(parsedJson, options.baseDir))
+    parsedJsons.forEach(parsedJson => resolveBaseFileDir(parsedJson, options.baseDir));
   }
 
   const majorVersion = versionCheck(parsedJsons);
diff --git a/src/util.ts b/src/util.ts
index a800a67..35e57d7 100644
--- a/src/util.ts
+++ b/src/util.ts
@@ -104,15 +104,15 @@ export function versionCheck(asyncapiDocuments: AsyncAPIObject[]): number {
 }
 
 export function isExternalReference(ref: string): boolean {
-  return typeof ref === 'string' && !ref.startsWith('#')
+  return typeof ref === 'string' && !ref.startsWith('#');
 }
 
 export function notAUrl(ref: string): boolean {
   try {
-    new URL(ref)
-    return false
+    new URL(ref);
+    return false;
   } catch (error) {
-    return true
+    return true;
   }
 }
 
@@ -126,14 +126,14 @@ export function resolveBaseFileDir(file: object, baseFileDir: string) {
     json: file,
     resultType: 'all',
     path: '$.channels.*.messages.*'
-  }).forEach( ({parent, parentProperty}: {parent: any, parentProperty: string}) => {
-    const ref = parent[String(parentProperty)]['$ref']
+  }).forEach(({parent, parentProperty}: {parent: any, parentProperty: string}) => {
+    const ref = parent[String(parentProperty)]['$ref'];
     if (isExternalReference(ref) && notAUrl(ref)) {
       // console.log(ref)
       // console.log(path.resolve(baseFileDir, ref))
-      parent[String(parentProperty)]['$ref'] = path.resolve(baseFileDir, ref)
+      parent[String(parentProperty)]['$ref'] = path.resolve(baseFileDir, ref);
     }
-  })
+  });
 
   JSONPath({
     json: file,
@@ -141,12 +141,12 @@ export function resolveBaseFileDir(file: object, baseFileDir: string) {
     path: '$.operations.*.messages.*'
   }).forEach(
     ({parent, parentProperty}: {parent: any, parentProperty: string}) => {
-    const ref = parent[String(parentProperty)]['$ref']
-    if (isExternalReference(ref) && notAUrl(ref)) {
+      const ref = parent[String(parentProperty)]['$ref'];
+      if (isExternalReference(ref) && notAUrl(ref)) {
       // console.log(ref)
       // console.log(path.resolve(baseFileDir, ref))
-      parent[String(parentProperty)]['$ref'] = path.resolve(baseFileDir, ref)
-    }
+        parent[String(parentProperty)]['$ref'] = path.resolve(baseFileDir, ref);
+      }
     }
-  )
+  );
 }
\ No newline at end of file
diff --git a/tests/lib/index.spec.ts b/tests/lib/index.spec.ts
index d027c54..94a808c 100644
--- a/tests/lib/index.spec.ts
+++ b/tests/lib/index.spec.ts
@@ -89,6 +89,16 @@ describe('[integration testing] bundler should ', () => {
     ).resolves;
 
   })
+
+  test('should be able to change the baseDir folder', async () => {
+    const files = ['./tests/specfiles/main.yaml']
+    expect(
+      await bundle(
+        files.map(file => fs.readFileSync(path.resolve(process.cwd(), file), 'utf-8')),
+        {baseDir: './tests/specfiles'}
+      )
+    ).resolves
+  })
 });
 
 describe('[unit testing]', () => {
diff --git a/tests/specfiles/main.yaml b/tests/specfiles/main.yaml
new file mode 100644
index 0000000..bcd042e
--- /dev/null
+++ b/tests/specfiles/main.yaml
@@ -0,0 +1,34 @@
+asyncapi: 3.0.0
+info:
+  title: Account Service
+  version: 1.0.0
+  description: This service is in charge of processing user signupsA
+channels:
+  userSignedup:
+    address: 'user/signedup'
+    messages:
+      userSignedUpMessage:
+        $ref: './messages.yaml#/messages/UserSignedUp'
+  test:
+    address: '/test'
+    messages:
+      testMessage:
+        $ref: '#/components/messages/TestMessage'
+operations:
+  UserSignedUp:
+    action: send
+    channel:
+      $ref: '#/channels/userSignedup'
+    messages:
+      - $ref: './messages.yaml#/messages/UserSignedUp'
+  TestOpp:
+    action: send
+    channel:
+      $ref: '#/channels/test'
+    messages:
+      - $ref: '#/components/messages/TestMessage'
+components:
+  messages:
+    TestMessage:
+      payload:
+        type: string
\ No newline at end of file
diff --git a/tests/specfiles/messages.yaml b/tests/specfiles/messages.yaml
new file mode 100644
index 0000000..e9d7cbf
--- /dev/null
+++ b/tests/specfiles/messages.yaml
@@ -0,0 +1,17 @@
+messages:
+  UserSignedUp:
+    payload:
+      type: object
+      properties:
+        displayName:
+          type: string
+          description: Name of the user
+        email:
+          type: string
+          format: email
+          description: Email of the user
+  UserLoggedIn:
+    payload:
+      type: object
+      properties:
+        id: string
\ No newline at end of file