diff --git a/install-helper.sh b/install-helper.sh
index cd8bc9e..97ac627 100755
--- a/install-helper.sh
+++ b/install-helper.sh
@@ -269,6 +269,8 @@ install_my_app()
   popd
 
   pushd /srv/walnut/core
+    export NODE_PATH=/opt/walnut/lib/node_modules
+    export NPM_CONFIG_PREFIX=/opt/walnut   
     /opt/walnut/bin/npm install
   popd
 }