diff --git a/npm-install.sh b/npm-install.sh
index be0ddc9..2858d68 100755
--- a/npm-install.sh
+++ b/npm-install.sh
@@ -21,7 +21,7 @@ npm_cretae_package_lock_file() {
 
 download_package() {
     local url_package=$1
-    wget $url_package
+    wget --no-clobber $url_package
 }
 
 # insert nexus_host, repository and package to upload