diff --git a/workbench_moderation.module b/workbench_moderation.module
index ed6e290..670ca6b 100644
--- a/workbench_moderation.module
+++ b/workbench_moderation.module
@@ -161,6 +161,7 @@ function workbench_moderation_node_revisions_redirect($node) {
   }
   // Return the normal node revisions page for unmoderated types.
   else {
+    module_load_include('inc', 'node', 'node.pages');
     return node_revision_overview($node);
   }
 }