diff --git a/packages/mui-material/src/OverridableComponent.d.ts b/packages/mui-material/src/OverridableComponent.d.ts
index d9dd7b6e4813ee..143a9c534b033c 100644
--- a/packages/mui-material/src/OverridableComponent.d.ts
+++ b/packages/mui-material/src/OverridableComponent.d.ts
@@ -20,8 +20,8 @@ export interface OverridableComponent<M extends OverridableTypeMap> {
        */
       component: C;
     } & OverrideProps<M, C>,
-  ): JSX.Element;
-  (props: DefaultComponentProps<M>): JSX.Element;
+  ): JSX.Element | null;
+  (props: DefaultComponentProps<M>): JSX.Element | null;
 }
 
 /**
diff --git a/packages/mui-types/index.d.ts b/packages/mui-types/index.d.ts
index 2ee1b5fd7bf4ad..159d5ff5839e00 100644
--- a/packages/mui-types/index.d.ts
+++ b/packages/mui-types/index.d.ts
@@ -104,8 +104,8 @@ export interface OverridableComponent<M extends OverridableTypeMap> {
        */
       component: C;
     } & OverrideProps<M, C>,
-  ): JSX.Element;
-  (props: DefaultComponentProps<M>): JSX.Element;
+  ): JSX.Element | null;
+  (props: DefaultComponentProps<M>): JSX.Element | null;
   propTypes?: any;
 }