diff --git a/core/src/utils/animation/animation-interface.ts b/core/src/utils/animation/animation-interface.ts
index 6407c263b3..109c55a21c 100644
--- a/core/src/utils/animation/animation-interface.ts
+++ b/core/src/utils/animation/animation-interface.ts
@@ -54,7 +54,7 @@ export interface Animation {
   beforeRemoveClass(className: string | string[] | undefined): Animation;
   beforeAddClass(className: string | string[] | undefined): Animation;
 
-  onFinish(callback: any): Animation;
+  onFinish(callback: (didComplete: boolean, animation: Animation) => void, opts?: AnimationOnFinishOptions): Animation;
   clearOnFinish(): Animation;
 }