diff --git a/src/@awesome-cordova-plugins/plugins/mobile-messaging/index.ts b/src/@awesome-cordova-plugins/plugins/mobile-messaging/index.ts
index 15407c9c4..c74875041 100644
--- a/src/@awesome-cordova-plugins/plugins/mobile-messaging/index.ts
+++ b/src/@awesome-cordova-plugins/plugins/mobile-messaging/index.ts
@@ -407,7 +407,7 @@ export class MobileMessaging extends AwesomeCordovaNativePlugin {
   @Cordova({
     observable: true,
   })
-  submitEventImmediately(event: CustomEvent): Promise<void> {
+  submitEventImmediately(event: CustomEvent): Observable<any> {
     return;
   }