diff --git a/install.sh b/install.sh
index 7fa9d8b..9b5341a 100755
--- a/install.sh
+++ b/install.sh
@@ -11,7 +11,7 @@ function cleanup_tmpdir() {
 }
 
 function download_files() {
-  local path
+  local path rc
   local query_params=''
   [ -n "$GIT_TAG" ] && query_params="?ref=$GIT_TAG"