diff --git a/.changeset/eighty-rabbits-fail.md b/.changeset/eighty-rabbits-fail.md
new file mode 100644
index 0000000000..5f15d79ef4
--- /dev/null
+++ b/.changeset/eighty-rabbits-fail.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-scaffolder': patch
+---
+
+Don't merge with previous from state on form changes.
diff --git a/plugins/scaffolder/src/components/TemplatePage/TemplatePage.tsx b/plugins/scaffolder/src/components/TemplatePage/TemplatePage.tsx
index ba71b38d75..12930db2cc 100644
--- a/plugins/scaffolder/src/components/TemplatePage/TemplatePage.tsx
+++ b/plugins/scaffolder/src/components/TemplatePage/TemplatePage.tsx
@@ -150,8 +150,8 @@ export const TemplatePage = () => {
   const handleFormReset = () => setFormState({});
 
   const handleChange = useCallback(
-    (e: IChangeEvent) => setFormState({ ...formState, ...e.formData }),
-    [setFormState, formState],
+    (e: IChangeEvent) => setFormState(e.formData),
+    [setFormState],
   );
 
   const handleCreate = async () => {