diff --git a/src/Form/AppCallbackUrlSettingsForm.php b/src/Form/AppCallbackUrlSettingsForm.php
index 9fd9a569..9897b64f 100644
--- a/src/Form/AppCallbackUrlSettingsForm.php
+++ b/src/Form/AppCallbackUrlSettingsForm.php
@@ -95,7 +95,9 @@ public function validateForm(array &$form, FormStateInterface $form_state) {
 
     $isRegExValid = FALSE;
     try {
-      if (@preg_match($form_state->getValue(['callback_url', 'pattern']), '') !== FALSE) $isRegExValid = TRUE;
+      if (@preg_match($form_state->getValue(['callback_url', 'pattern']), '') !== FALSE) {
+        $isRegExValid = TRUE;
+      }
     }
     catch (Exception $e) {
       $isRegExValid = FALSE;