diff --git a/snappymail/v/0.0.0/app/libraries/RainLoop/Actions/UserAuth.php b/snappymail/v/0.0.0/app/libraries/RainLoop/Actions/UserAuth.php
index 7cf2a82d7..6b2eb99aa 100644
--- a/snappymail/v/0.0.0/app/libraries/RainLoop/Actions/UserAuth.php
+++ b/snappymail/v/0.0.0/app/libraries/RainLoop/Actions/UserAuth.php
@@ -176,6 +176,7 @@ trait UserAuth
 			$this->Plugins()->RunHook('login.success', array($oAccount));
 
 			$this->SetAuthToken($oAccount);
+			$this->SetAdditionalAuthToken(null);
 		}
 
 		return $oAccount;