diff --git a/components/_util/hooks/useCombinedRefs.tsx b/components/_util/hooks/useCombinedRefs.tsx
index d1ea07de2e..559832471c 100644
--- a/components/_util/hooks/useCombinedRefs.tsx
+++ b/components/_util/hooks/useCombinedRefs.tsx
@@ -4,7 +4,7 @@ import { fillRef } from '../ref';
 function useCombinedRefs<T>(
   ...refs: Array<React.MutableRefObject<T> | ((instance: T) => void) | null>
 ) {
-  const targetRef = React.useRef();
+  const targetRef = React.useRef<T>();
 
   React.useEffect(() => {
     refs.forEach(ref => {