diff --git a/packages/react/src/components/navigation/IonTabButton.tsx b/packages/react/src/components/navigation/IonTabButton.tsx
index 80405d1a15..915761660e 100644
--- a/packages/react/src/components/navigation/IonTabButton.tsx
+++ b/packages/react/src/components/navigation/IonTabButton.tsx
@@ -9,7 +9,7 @@ type Props = LocalJSX.IonTabButton &
   IonicReactProps & {
     routerOptions?: RouterOptions;
     ref?: React.Ref<HTMLIonTabButtonElement>;
-    onClick?: (e: Event) => void;
+    onClick?: (e: CustomEvent) => void;
   };
 
 export const IonTabButton = /*@__PURE__*/ (() =>