diff --git a/app/src/main/java/de/sebse/fuplanner/services/kvv/Login.java b/app/src/main/java/de/sebse/fuplanner/services/kvv/Login.java
index ebf9241..e43b870 100644
--- a/app/src/main/java/de/sebse/fuplanner/services/kvv/Login.java
+++ b/app/src/main/java/de/sebse/fuplanner/services/kvv/Login.java
@@ -73,6 +73,7 @@ public class Login extends HTTPService {
             mTokenBB.delete(mListener.getAccountManager());
         }
         mTokenKVV = null;
+        mTokenBB = null;
         return handleCallbacks(false);
     }