diff --git a/application/src/main/java/org/thingsboard/server/service/notification/provider/DefaultFirebaseService.java b/application/src/main/java/org/thingsboard/server/service/notification/provider/DefaultFirebaseService.java
index d1307fcd5d..8056b9fde2 100644
--- a/application/src/main/java/org/thingsboard/server/service/notification/provider/DefaultFirebaseService.java
+++ b/application/src/main/java/org/thingsboard/server/service/notification/provider/DefaultFirebaseService.java
@@ -140,8 +140,10 @@ public class DefaultFirebaseService implements FirebaseService {
         }
 
         public void destroy() {
-            app.delete();
-            app = null;
+            if (app != null) {
+                app.delete();
+                app = null;
+            }
             messaging = null;
             log.debug("[{}] Destroyed FirebaseContext", key);
         }