diff --git a/application/forms/Config/ResourceConfigForm.php b/application/forms/Config/ResourceConfigForm.php
index 5d1eeaa9b..bfec65938 100644
--- a/application/forms/Config/ResourceConfigForm.php
+++ b/application/forms/Config/ResourceConfigForm.php
@@ -149,7 +149,7 @@ class ResourceConfigForm extends ConfigForm
             }
         } catch (InvalidArgumentException $e) {
             Notification::error($e->getMessage());
-            return;
+            return false;
         }
 
         if ($this->save()) {