diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/common/typedInput.js b/packages/node_modules/@node-red/editor-client/src/js/ui/common/typedInput.js
index 1b5af5f13..b5d82b830 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/common/typedInput.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/common/typedInput.js
@@ -1004,16 +1004,17 @@
             this.uiSelect.hide();
         },
         disable: function(val) {
-            if(val === true) {
+            if(val === undefined || !!val === true) {
                 this.uiSelect.attr("disabled", "disabled");
-            } else if (val === false) {
-                this.uiSelect.attr("disabled", null); //remove attr
             } else {
-                this.uiSelect.attr("disabled", val); //user value
+                this.uiSelect.attr("disabled", null); //remove attr
             }
         },
+        enable: function() {
+            this.uiSelect.attr("disabled", null); //remove attr
+        },
         disabled: function() {
-            return this.uiSelect.attr("disabled");
+            return this.uiSelect.attr("disabled") === "disabled";
         }
     });
 })(jQuery);