diff --git a/conf/fab-manager-app.service b/conf/fab-manager-app.service
index 0d0c880..0df694a 100644
--- a/conf/fab-manager-app.service
+++ b/conf/fab-manager-app.service
@@ -10,7 +10,7 @@ Environment="__LD_PRELOAD__"
 Environment="__YNH_RUBY_LOAD_PATH__"
 Environment="RAILS_ENV=production"
 ExecStartPre=-rm -f __INSTALL_DIR__/tmp/pids/server.pid
-ExecStart=__INSTALL_DIR__/bin/bundle exec rails s puma -p __PORT__ -b 0.0.0.0
+ExecStart=__INSTALL_DIR__/bin/bundle exec rails s puma -p __PORT__ -b 127.0.0.1
 ExecReload=/bin/kill -SIGUSR1 $MAINPID
 TimeoutSec=15
 Restart=always