diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/common/tabs.js b/packages/node_modules/@node-red/editor-client/src/js/ui/common/tabs.js
index 0541c79e0..17e64e48c 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/common/tabs.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/common/tabs.js
@@ -828,7 +828,7 @@ RED.tabs = (function() {
                 }
 
                 // link.attr("title",tab.label);
-                RED.popover.tooltip(link,function() { return tab.label})
+                RED.popover.tooltip(link,function() { return RED.utils.sanitize(tab.label); });
 
                 if (options.onadd) {
                     options.onadd(tab);