diff --git a/modules/gallery/helpers/module.php b/modules/gallery/helpers/module.php
index 7292b106..e4f41d3d 100644
--- a/modules/gallery/helpers/module.php
+++ b/modules/gallery/helpers/module.php
@@ -110,16 +110,20 @@ class module_Core {
       $identity_module = module::get_var("gallery", "identity_provider", "user");
       $modules->$identity_module->locked = true;
 
-      function natural_name_sort($a, $b) {
-        return strnatcasecmp($a->name, $b->name);
-      }
-      $modules->uasort('natural_name_sort');
+      $modules->uasort(array("module", "module_comparator"));
       self::$available = $modules;
     }
 
     return self::$available;
   }
 
+  /**
+   * Natural name sort comparator
+   */
+  static function module_comparator($a, $b) {
+    return strnatcasecmp($a->name, $b->name);
+  }
+
   /**
    * Return a list of all the active modules in no particular order.
    */