diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/editors/panes/properties.js b/packages/node_modules/@node-red/editor-client/src/js/ui/editors/panes/properties.js
index a0a6ec08e..bd393c9df 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/editors/panes/properties.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/editors/panes/properties.js
@@ -46,6 +46,7 @@
             },
             apply: function(editing_node, editState) {
                 var newValue;
+                var d;
                 if (editing_node._def.defaults) {
                     for (d in editing_node._def.defaults) {
                         if (editing_node._def.defaults.hasOwnProperty(d)) {