diff --git a/src/WebView.harmony.tsx b/src/WebView.harmony.tsx
index c4ae5d246..fe15e780d 100644
--- a/src/WebView.harmony.tsx
+++ b/src/WebView.harmony.tsx
@@ -111,9 +111,9 @@ const WebViewComponent = forwardRef<{}, IOSWebViewProps & { scalesPageToFit: boo
     > | null>(null);
 
     const onShouldStartLoadWithRequestCallback = useCallback(
-      (shouldStart: boolean, _url: string, lockIdentifier = 0) => {
+      async (shouldStart: boolean, _url: string, lockIdentifier = 0) => {
         RNCWebViewModule.shouldStartLoadWithLockIdentifier(
-          shouldStart,
+          await shouldStart,
           lockIdentifier
         );
       },
@@ -327,4 +327,4 @@ const isFileUploadSupported: () => Promise<boolean> = async () => true;
 
 const WebView = Object.assign(WebViewComponent, { isFileUploadSupported });
 
-export default WebView;
\ No newline at end of file
+export default WebView;