diff --git a/includes/common.inc b/includes/common.inc
index 93bfae0..7ea08f6 100644
--- a/includes/common.inc
+++ b/includes/common.inc
@@ -162,7 +162,7 @@ function panelizer_add_revision_info_form(&$form, &$form_state) {
       $form['#submit'][] = $form_state['input']['form_id'] . '_submit';
     }
 
-    $form['#submit'][] = 'panelizer_add_revision_info_form_submit';
+    $form['buttons']['submit']['#submit'][] = 'panelizer_add_revision_info_form_submit';
   }
 }