diff --git a/modules/ve-mw/ui/contextitems/ve.ui.MWGalleryContextItem.js b/modules/ve-mw/ui/contextitems/ve.ui.MWGalleryContextItem.js
index 4031e3e011..8ff572af50 100644
--- a/modules/ve-mw/ui/contextitems/ve.ui.MWGalleryContextItem.js
+++ b/modules/ve-mw/ui/contextitems/ve.ui.MWGalleryContextItem.js
@@ -44,7 +44,7 @@ ve.ui.MWGalleryContextItem.static.commandName = 'gallery';
  * @inheritdoc
  */
 ve.ui.MWGalleryContextItem.prototype.getDescription = function () {
-	return ve.msg( 'visualeditor-mwgallerycontext-description', this.model.children.length );
+	return ve.msg( 'visualeditor-mwgallerycontext-description', this.model.getImageNodes().length );
 };
 
 /* Registration */