diff --git a/workbench_moderation.node.inc b/workbench_moderation.node.inc
index efe9c4a..987734e 100644
--- a/workbench_moderation.node.inc
+++ b/workbench_moderation.node.inc
@@ -37,7 +37,7 @@ function workbench_moderation_router_item_page_callback($node) {
   // Call whatever function is assigned to the main node path but pass the
   // current node as an argument. This approach allows for the reuse of of Panel
   // definition acting on node/%node.
-  return $router_item['page_callback']($node);
+  return call_user_func_array($router_item['page_callback'], $router_item['page_arguments']);
 
 }
 /**