diff --git a/android/src/main/java/com/evollu/react/fcm/FIRMessagingModule.java b/android/src/main/java/com/evollu/react/fcm/FIRMessagingModule.java
index 40156ba3b5249c9caedf69a7f69e3504d77ddde1..8e5b13d752020c2a1b94680b9086560d5d94bf8b 100644
--- a/android/src/main/java/com/evollu/react/fcm/FIRMessagingModule.java
+++ b/android/src/main/java/com/evollu/react/fcm/FIRMessagingModule.java
@@ -211,8 +211,8 @@ public class FIRMessagingModule extends ReactContextBaseJavaModule implements Li
     }
 
     @ReactMethod
-    public void subscribeToTopic(String topic){
-	try {
+    public void subscribeToTopic(String topic, Promise promise){
+	    try {
             FirebaseMessaging.getInstance().subscribeToTopic(topic);
             promise.resolve(null);
         } catch (IOException e) {
@@ -222,8 +222,8 @@ public class FIRMessagingModule extends ReactContextBaseJavaModule implements Li
     }
 
     @ReactMethod
-    public void unsubscribeFromTopic(String topic){
-	try {
+    public void unsubscribeFromTopic(String topic, Promise promise){
+	    try {
             FirebaseMessaging.getInstance().unsubscribeFromTopic(topic);
             promise.resolve(null);
         } catch (IOException e) {