diff --git a/plugins/scaffolder/src/next/TemplateWizardPage/Stepper/Stepper.tsx b/plugins/scaffolder/src/next/TemplateWizardPage/Stepper/Stepper.tsx
index d59fb7f9c1..d4d57eed22 100644
--- a/plugins/scaffolder/src/next/TemplateWizardPage/Stepper/Stepper.tsx
+++ b/plugins/scaffolder/src/next/TemplateWizardPage/Stepper/Stepper.tsx
@@ -102,7 +102,8 @@ export const Stepper = (props: StepperProps) => {
   };
 
   const handleChange = useCallback(
-    (e: IChangeEvent) => setFormState(e.formData),
+    (e: IChangeEvent) =>
+      setFormState(current => ({ ...current, ...e.formData })),
     [setFormState],
   );