diff --git a/.changeset/tender-pears-work.md b/.changeset/tender-pears-work.md
new file mode 100644
index 0000000000..7770e4c087
--- /dev/null
+++ b/.changeset/tender-pears-work.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-scaffolder': patch
+---
+
+`RepoUrlPickerRepoName` now correctly handles value changes in allowed repos.
diff --git a/plugins/scaffolder/src/components/fields/RepoUrlPicker/RepoUrlPickerRepoName.tsx b/plugins/scaffolder/src/components/fields/RepoUrlPicker/RepoUrlPickerRepoName.tsx
index 1393b1902e..f2d68b08f3 100644
--- a/plugins/scaffolder/src/components/fields/RepoUrlPicker/RepoUrlPickerRepoName.tsx
+++ b/plugins/scaffolder/src/components/fields/RepoUrlPicker/RepoUrlPickerRepoName.tsx
@@ -54,7 +54,7 @@ export const RepoUrlPickerRepoName = (props: {
             native
             label="Repositories Available"
             onChange={selected =>
-              String(Array.isArray(selected) ? selected[0] : selected)
+              onChange(String(Array.isArray(selected) ? selected[0] : selected))
             }
             disabled={allowedRepos.length === 1}
             selected={repoName}