diff --git a/superset/assets/javascripts/dashboard/components/GridLayout.jsx b/superset/assets/javascripts/dashboard/components/GridLayout.jsx
index 4dd56559f7..ab5414eb49 100644
--- a/superset/assets/javascripts/dashboard/components/GridLayout.jsx
+++ b/superset/assets/javascripts/dashboard/components/GridLayout.jsx
@@ -100,7 +100,7 @@ class GridLayout extends React.Component {
             id={'slice_' + slice.slice_id}
             key={slice.slice_id}
             data-slice-id={slice.slice_id}
-            className="widget"
+            className={`widget ${slice.form_data.viz_type}`}
           >
             <SliceCell
               slice={slice}