diff --git a/src/hooks/useImpressionRef/useImpressionRef.ts b/src/hooks/useImpressionRef/useImpressionRef.ts
index 8ff2b407..93cf8f02 100644
--- a/src/hooks/useImpressionRef/useImpressionRef.ts
+++ b/src/hooks/useImpressionRef/useImpressionRef.ts
@@ -54,7 +54,7 @@ export function useImpressionRef<Element extends HTMLElement>({
   const isIntersectingRef = useRef(false);
   const impressionEventHandler = useDebouncedCallback({
     timeThreshold,
-    onChange: impressed => {
+    onChange: (impressed: boolean) => {
       (impressed ? impressionStartHandler : impressionEndHandler)();
     },
     leading: true,