diff --git a/wise-editor/src/main/webapp/css/editor.less b/wise-editor/src/main/webapp/css/editor.less
index cd3533cd..4c0886aa 100644
--- a/wise-editor/src/main/webapp/css/editor.less
+++ b/wise-editor/src/main/webapp/css/editor.less
@@ -143,4 +143,8 @@ div.shareModalDialog {
   cursor: pointer
 }
 
+.panelIcon:hover {
+  background-color: #efefef;
+}
+