diff --git a/modules/member/member.controller.php b/modules/member/member.controller.php
index ec15b3c62..43926aa85 100644
--- a/modules/member/member.controller.php
+++ b/modules/member/member.controller.php
@@ -484,7 +484,7 @@
 			$getVars = array();
 			if ($config->signupForm){
 				foreach($config->signupForm as $formInfo){
-					if($formInfo->isDefaultForm && $formInfo->isUse || $formInfo->required || $formInfo->mustRequired){
+					if($formInfo->isDefaultForm && $formInfo->isUse && ($formInfo->required || $formInfo->mustRequired)){
 						$getVars[] = $formInfo->name;
 					}
 				}