diff --git a/packages/mui-utils/src/useEventCallback/useEventCallback.ts b/packages/mui-utils/src/useEventCallback/useEventCallback.ts
index 73573b46299d27..babd9a5efccfd4 100644
--- a/packages/mui-utils/src/useEventCallback/useEventCallback.ts
+++ b/packages/mui-utils/src/useEventCallback/useEventCallback.ts
@@ -5,7 +5,7 @@ import useEnhancedEffect from '../useEnhancedEffect';
 /**
  * https://github.com/facebook/react/issues/14099#issuecomment-440013892
  */
-function useEventCallback<Fn extends (...args: any[]) => any = (...args: unknown[]) => any>(
+function useEventCallback<Fn extends (...args: any[]) => any = (...args: unknown[]) => unknown>(
   fn: Fn,
 ): Fn;
 function useEventCallback<Args extends unknown[], Return>(