diff --git a/packages/node_modules/@node-red/editor-client/src/js/nodes.js b/packages/node_modules/@node-red/editor-client/src/js/nodes.js
index 2a800322b..bca4fab04 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/nodes.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/nodes.js
@@ -335,7 +335,7 @@ RED.nodes = (function() {
     }
     function removeWorkspace(id) {
         delete workspaces[id];
-        delete nodeTabMap[ws.id];
+        delete nodeTabMap[id];
         workspacesOrder.splice(workspacesOrder.indexOf(id),1);
 
         var removedNodes = [];