diff --git a/wp-admin/edit-form-advanced.php b/wp-admin/edit-form-advanced.php
index 22a6abe6e2..e656dd5d60 100644
--- a/wp-admin/edit-form-advanced.php
+++ b/wp-admin/edit-form-advanced.php
@@ -122,7 +122,7 @@ if ( post_type_supports($post_type, 'revisions') && 'auto-draft' != $post->post_
 	if ( count( $revisions ) > 1 ) {
 		reset( $revisions ); // Reset pointer for key()
 		$publish_callback_args = array( 'revisions_count' => count( $revisions ), 'revision_id' => key( $revisions ) );
-		// add_meta_box('revisionsdiv', __('Revisions'), 'post_revisions_meta_box', null, 'normal', 'core');
+		add_meta_box('revisionsdiv', __('Revisions'), 'post_revisions_meta_box', null, 'normal', 'core');
 	}
 }