diff --git a/src/extensions/core/widgetInputs.ts b/src/extensions/core/widgetInputs.ts
index 4a8167483..16f6b707a 100644
--- a/src/extensions/core/widgetInputs.ts
+++ b/src/extensions/core/widgetInputs.ts
@@ -751,6 +751,7 @@ app.registerExtension({
 
     nodeType.prototype.onGraphConfigured = function () {
       if (!this.inputs) return
+      this.widgets ??= []
 
       for (const input of this.inputs) {
         if (input.widget) {