diff --git a/src/etc/inc/filter.inc b/src/etc/inc/filter.inc
index 1223e0db0..36694424b 100644
--- a/src/etc/inc/filter.inc
+++ b/src/etc/inc/filter.inc
@@ -138,52 +138,6 @@ function download_file($url, $destination, $verify_ssl = false, $connect_timeout
     return ($http_code == 200);
 }
 
-function update_alias_names_upon_change($section, $field, $new_alias_name, $origname, $field_separator=null)
-{
-    global $config;
-    if (!empty($origname) && !empty($new_alias_name)) {
-        // find section, return if not found
-        $sectionref = &config_read_array();
-        foreach ($section as $sectionname) {
-            if (!empty($sectionref[$sectionname]) && is_array($sectionref[$sectionname])) {
-                $sectionref = &$sectionref[$sectionname];
-            } else {
-                return;
-            }
-        }
-        // traverse all found sections
-        foreach($sectionref as $itemkey => $item) {
-            // locate field within structure
-            $fieldref = &$sectionref[$itemkey];
-            foreach($field as $fieldname) {
-                if (!empty($fieldref[$fieldname])) {
-                    $fieldref = &$fieldref[$fieldname];
-                } else {
-                    unset($fieldref);
-                    break;
-                }
-            }
-            // if field is found, check and replace
-            if (isset($fieldref) && !is_array($fieldref)) {
-                if ($fieldref == $origname) {
-                    $fieldref = $new_alias_name;
-                } elseif ($field_separator != null) {
-                    // field contains more then one value
-                    $parts = explode($field_separator, $fieldref);
-                    foreach ($parts as &$part) {
-                        if ($part == $origname) {
-                            $part = $new_alias_name;
-                        }
-                    }
-                    $new_field_value = implode($field_separator, $parts);
-                    if ($new_field_value != $fieldref) {
-                        $fieldref = $new_field_value;
-                    }
-                }
-            }
-        }
-    }
-}
 
 function process_alias_urltable($name, $alias_type, $url, $freq, $forceupdate = false)
 {
diff --git a/src/www/firewall_aliases_edit.php b/src/www/firewall_aliases_edit.php
index 77098423b..12cd8b5d1 100644
--- a/src/www/firewall_aliases_edit.php
+++ b/src/www/firewall_aliases_edit.php
@@ -33,6 +33,53 @@
 require_once("guiconfig.inc");
 require_once("filter.inc");
 
+function update_alias_names_upon_change($section, $field, $new_alias_name, $origname, $field_separator=null)
+{
+    global $config;
+    if (!empty($origname) && !empty($new_alias_name)) {
+        // find section, return if not found
+        $sectionref = &config_read_array();
+        foreach ($section as $sectionname) {
+            if (!empty($sectionref[$sectionname]) && is_array($sectionref[$sectionname])) {
+                $sectionref = &$sectionref[$sectionname];
+            } else {
+                return;
+            }
+        }
+        // traverse all found sections
+        foreach($sectionref as $itemkey => $item) {
+            // locate field within structure
+            $fieldref = &$sectionref[$itemkey];
+            foreach($field as $fieldname) {
+                if (!empty($fieldref[$fieldname])) {
+                    $fieldref = &$fieldref[$fieldname];
+                } else {
+                    unset($fieldref);
+                    break;
+                }
+            }
+            // if field is found, check and replace
+            if (isset($fieldref) && !is_array($fieldref)) {
+                if ($fieldref == $origname) {
+                    $fieldref = $new_alias_name;
+                } elseif ($field_separator != null) {
+                    // field contains more then one value
+                    $parts = explode($field_separator, $fieldref);
+                    foreach ($parts as &$part) {
+                        if ($part == $origname) {
+                            $part = $new_alias_name;
+                        }
+                    }
+                    $new_field_value = implode($field_separator, $parts);
+                    if ($new_field_value != $fieldref) {
+                        $fieldref = $new_field_value;
+                    }
+                }
+            }
+        }
+    }
+}
+
 /**
  * generate simple country selection list for geoip
  */