diff --git a/lib/encryption/key_manager.dart b/lib/encryption/key_manager.dart
index 5c3df9c1..d32ba234 100644
--- a/lib/encryption/key_manager.dart
+++ b/lib/encryption/key_manager.dart
@@ -289,8 +289,7 @@ class KeyManager {
         dbSess.sessionId != sessionId) {
       return null;
     }
-    roomInboundGroupSessions[sessionId] = dbSess;
-    return sess;
+    return roomInboundGroupSessions[sessionId] = dbSess;
   }
 
   Map<String, Map<String, bool>> _getDeviceKeyIdMap(