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 bbb6eb82f..cdaf0e00a 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
@@ -591,7 +591,7 @@ RED.nodes = (function() {
                     prop === 'z' ||
                     prop === 'l' ||
                     prop === 'd' ||
-                    (prop === 'changed' && !!node.changed !== !!value) ||
+                    (prop === 'changed' && (!!node.changed) !== (!!value)) || // jshint ignore:line
                     ((prop === 'x' || prop === 'y') && !node.resize && node.type !== 'group')
                 ) {
                     throw new Error(`Cannot modified property '${prop}' of locked object '${node.type}:${node.id}'`)