diff --git a/src/lib/polyfills/firstInputPolyfill.ts b/src/lib/polyfills/firstInputPolyfill.ts
index 41c46e3e..67562e74 100644
--- a/src/lib/polyfills/firstInputPolyfill.ts
+++ b/src/lib/polyfills/firstInputPolyfill.ts
@@ -86,6 +86,7 @@ const reportFirstInputDelayIfRecordedAndValid = () => {
       callback(entry);
     });
     callbacks = [];
+    firstInputEvent = null;
   }
 }