diff --git a/apps/browser/src/autofill/overlay/pages/menu/autofill-overlay-menu-container.ts b/apps/browser/src/autofill/overlay/pages/menu/autofill-overlay-menu-container.ts
index e0f5e14dc49..971a5a92d22 100644
--- a/apps/browser/src/autofill/overlay/pages/menu/autofill-overlay-menu-container.ts
+++ b/apps/browser/src/autofill/overlay/pages/menu/autofill-overlay-menu-container.ts
@@ -109,7 +109,7 @@ export class AutofillOverlayMenuContainer {
       return;
     }
 
-    if (event.source === globalThis.parent) {
+    if (this.isMessageFromParentWindow(event)) {
       this.postMessageToOverlayPage(message);
       return;
     }
@@ -122,13 +122,17 @@ export class AutofillOverlayMenuContainer {
       return true;
     }
 
-    if (globalThis.parent === event.source) {
+    if (this.isMessageFromParentWindow(event)) {
       return false;
     }
 
     return !this.isMessageFromOverlayPageIframe(event);
   }
 
+  private isMessageFromParentWindow(event: MessageEvent): boolean {
+    return globalThis.parent === event.source;
+  }
+
   private isMessageFromOverlayPageIframe(event: MessageEvent): boolean {
     if (!this.overlayPageIframe) {
       return false;