diff --git a/xo_install.sh b/xo_install.sh
index fcd7b61..250c6ba 100644
--- a/xo_install.sh
+++ b/xo_install.sh
@@ -36,6 +36,7 @@ cd $xo_server_dir
 sudo cp sample.config.yaml .xo-server.yaml
 sudo sed -i "s|#'/': '/path/to/xo-web/dist/'|'/': '/opt/xo-web/dist'|" .xo-server.yaml
 cd $xo_web_dir
+/usr/bin/yarn install --force
 
 if [[ ! -e $systemd_service_dir/$xo_service ]] ; then