diff --git a/CRM/Member/Form/Membership.php b/CRM/Member/Form/Membership.php
index 91ed3b127401..4a4bcbd42fcb 100644
--- a/CRM/Member/Form/Membership.php
+++ b/CRM/Member/Form/Membership.php
@@ -581,7 +581,7 @@ public function buildQuickForm() {
     );
 
     if (!empty($this->_recurPaymentProcessors)) {
-      $memTypeJs['onChange'] = "" . $memTypeJs['onChange'] . "buildAutoRenew(this.value, null, '{$this->_mode}');";
+      $memTypeJs['onChange'] = "" . $memTypeJs['onChange'] . " buildAutoRenew(this.value, null, '{$this->_mode}');";
     }
 
     $this->add('text', 'max_related', ts('Max related'),
diff --git a/templates/CRM/common/customDataBlock.tpl b/templates/CRM/common/customDataBlock.tpl
index 21adcb8867b0..d98b4a996af7 100644
--- a/templates/CRM/common/customDataBlock.tpl
+++ b/templates/CRM/common/customDataBlock.tpl
@@ -6,9 +6,10 @@
   <script type="text/javascript">
     CRM.$(function($) {
       {/literal}
-      CRM.buildCustomData( '{$customDataType}' );
       {if $customDataSubType}
-      CRM.buildCustomData( '{$customDataType}', {$customDataSubType} );
+        CRM.buildCustomData('{$customDataType}', {$customDataSubType});
+      {else}
+        CRM.buildCustomData('{$customDataType}');
       {/if}
       {literal}
     });