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 be6318f2..40156ba3 100644
--- a/android/src/main/java/com/evollu/react/fcm/FIRMessagingModule.java
+++ b/android/src/main/java/com/evollu/react/fcm/FIRMessagingModule.java
@@ -212,12 +212,24 @@ public void removeAllDeliveredNotifications(){
 
     @ReactMethod
     public void subscribeToTopic(String topic){
-        FirebaseMessaging.getInstance().subscribeToTopic(topic);
+	try {
+            FirebaseMessaging.getInstance().subscribeToTopic(topic);
+            promise.resolve(null);
+        } catch (IOException e) {
+            e.printStackTrace();
+            promise.reject(null,e.getMessage());
+        }
     }
 
     @ReactMethod
     public void unsubscribeFromTopic(String topic){
-        FirebaseMessaging.getInstance().unsubscribeFromTopic(topic);
+	try {
+            FirebaseMessaging.getInstance().unsubscribeFromTopic(topic);
+            promise.resolve(null);
+        } catch (IOException e) {
+            e.printStackTrace();
+            promise.reject(null,e.getMessage());
+        }
     }
 
     @ReactMethod