diff --git a/vpl.class.php b/vpl.class.php
index 85905cf3..fc9579e1 100644
--- a/vpl.class.php
+++ b/vpl.class.php
@@ -245,7 +245,7 @@ public static function set_null_field_empty($vplinstace) {
             'runscript',
             'debugscript',
         ];
-        foreach($fields as $field) {
+        foreach ($fields as $field) {
             if (property_exists($vplinstace, $field) && $vplinstace->$field == null) {
                 $vplinstace->$field = '';
             }