diff --git a/builder-chroot b/builder-chroot
index ad9a592..095bc80 100755
--- a/builder-chroot
+++ b/builder-chroot
@@ -20,10 +20,11 @@ main() {
 
 	package="$1"
 
-	if [[ -d "/tmp/build-${package}/.spark.repo" ]]; then
+	if [[ -f "/tmp/build-${package}/.spark.repo" ]]; then
 		repo_name=$( <"/tmp/build-${package}/.spark.repo" )
 	else
 		err "Repo not specified, not building package."
+		return 1
 	fi
 
 	build_pkg "$package" "$repo_name"