diff --git a/src/opnsense/mvc/app/models/OPNsense/Firewall/FieldTypes/FilterRuleField.php b/src/opnsense/mvc/app/models/OPNsense/Firewall/FieldTypes/FilterRuleField.php
index e7e843c3e..ca8d6ff8b 100644
--- a/src/opnsense/mvc/app/models/OPNsense/Firewall/FieldTypes/FilterRuleField.php
+++ b/src/opnsense/mvc/app/models/OPNsense/Firewall/FieldTypes/FilterRuleField.php
@@ -119,7 +119,7 @@ class FilterRuleContainerField extends ContainerField
             if (static::$ifgroups === null) {
                 static::$ifgroups = [];
                 foreach ((new Group())->ifgroupentry->iterateItems() as $node) {
-                    if ( !empty((string)$node->sequence)) {
+                    if (!empty((string)$node->sequence)) {
                         static::$ifgroups[(string)$node->ifname] =  (int)((string)$node->sequence);
                     }
                 }