diff --git a/html5/verto/verto_communicator/debian8-install.sh b/html5/verto/verto_communicator/debian8-install.sh
index cf992b0906..a1e8fb252a 100755
--- a/html5/verto/verto_communicator/debian8-install.sh
+++ b/html5/verto/verto_communicator/debian8-install.sh
@@ -1,6 +1,6 @@
#!/bin/bash
apt-get update
-apt-get install npm nodejs-legacy
+apt-get -y install npm nodejs-legacy
npm install -g grunt grunt-cli bower
npm install
bower --allow-root install