diff --git a/includes/controller/user_angeltypes_controller.php b/includes/controller/user_angeltypes_controller.php
index cf2c0a3c..f31aeecd 100644
--- a/includes/controller/user_angeltypes_controller.php
+++ b/includes/controller/user_angeltypes_controller.php
@@ -152,7 +152,7 @@ function user_angeltype_confirm_controller()
     }
 
     if (isset($_REQUEST['confirmed'])) {
-        $result = UserAngelType_confirm($user_angeltype['id'], $user);
+        UserAngelType_confirm($user_angeltype['id'], $user);
 
         engelsystem_log(sprintf(
             '%s confirmed for angeltype %s',
diff --git a/includes/model/Shifts_model.php b/includes/model/Shifts_model.php
index e2a05c44..b0269362 100644
--- a/includes/model/Shifts_model.php
+++ b/includes/model/Shifts_model.php
@@ -373,8 +373,8 @@ function Shift_signup_allowed(
     $signup_user,
     $shift,
     $angeltype,
-    $user_angeltype = null,
-    $user_shifts = null,
+    $user_angeltype,
+    $user_shifts,
     $needed_angeltype,
     $shift_entries
 ) {