diff --git a/apps/cistech-tunnel/shared/install-host-services.sh b/apps/cistech-tunnel/shared/install-host-services.sh
index 7e26f1f..650e293 100644
--- a/apps/cistech-tunnel/shared/install-host-services.sh
+++ b/apps/cistech-tunnel/shared/install-host-services.sh
@@ -31,7 +31,7 @@ After=docker.service
 
 [Service]
 Type=oneshot
-ExecStart=${SCRIPT_DIR}/host-routing.sh restart
+ExecStart=/bin/bash ${SCRIPT_DIR}/host-routing.sh restart
 ExecStartPost=/bin/rm -f ${APP_DATA_DIR}/restart-routing
 ExecStartPost=/bin/bash -c 'echo "trigger cleared at \$(date)" >> ${APP_DATA_DIR}/watcher.log'
 EOF