diff --git a/app/js/lib/mtproto.js b/app/js/lib/mtproto.js
index d0d58914..99f9d62a 100644
--- a/app/js/lib/mtproto.js
+++ b/app/js/lib/mtproto.js
@@ -1470,6 +1470,9 @@ angular.module('izhukov.mtproto', ['izhukov.utils'])
         this.reqResendMessage(message.answer_msg_id);
         break;
 
+      case 'msgs_state_info':
+        break;
+
       case 'rpc_result':
         this.ackMessage(messageID);
 
diff --git a/app/js/services.js b/app/js/services.js
index c6e4b0dc..f67d2f48 100644
--- a/app/js/services.js
+++ b/app/js/services.js
@@ -2762,7 +2762,6 @@ angular.module('myApp.services', [])
 
       case 'updatesCombined':
       case 'updates':
-      default:
         AppUsersManager.saveApiUsers(updateMessage.users);
         AppChatsManager.saveApiChats(updateMessage.chats);
 
@@ -2790,6 +2789,9 @@ angular.module('myApp.services', [])
           saveUpdate(update);
         });
         break;
+
+      default:
+        console.warn(dT(), 'Unknown update message', updateMessage);
     }
 
     popPendingUpdate();