diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/sidebar.js b/packages/node_modules/@node-red/editor-client/src/js/ui/sidebar.js
index bc1bbf287..7402870d4 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/sidebar.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/sidebar.js
@@ -199,7 +199,7 @@ RED.sidebar = (function() {
             id = RED.settings.get("editor.sidebar.order",["info", "help", "version-control", "debug"])[0]
         }
         if (id) {
-            if (!containsTab(id)) {
+            if (!containsTab(id) && knownTabs[id]) {
                 sidebar_tabs.addTab(knownTabs[id]);
             }
             sidebar_tabs.activateTab(id);