diff --git a/scripts/fetch b/scripts/fetch
index c4dff5e..c906ccc 100755
--- a/scripts/fetch
+++ b/scripts/fetch
@@ -15,3 +15,5 @@ buildroot_ref=${BUILDROOT_REF?}
 mkdir -p "$build_dir"
 git clone "$buildroot_repo" "$buildroot_dir"
 git -C "$buildroot_dir" checkout "$buildroot_ref"
+cd "$buildroot_dir"
+make source