diff --git a/manage-lxc-vm-notes.sh b/manage-lxc-vm-notes.sh
index 4ac9c17..e77dcf6 100755
--- a/manage-lxc-vm-notes.sh
+++ b/manage-lxc-vm-notes.sh
@@ -155,8 +155,7 @@ update_notes() {
   pct exec "$vmid" -- sh -c "$enable_tailscale_check"
 
   echo "[INFO] Verificando configuración del Docker API y métricas en $type $vmid..."
-  WAIT_SECS_HOST="${DOCKER_WAIT_SECONDS:-30}"
-  pct exec "$vmid" -- sh -c "DOCKER_WAIT_SECONDS='${WAIT_SECS_HOST}'; "'\
+  pct exec "$vmid" -- sh -c 'DOCKER_WAIT_SECONDS='"${DOCKER_WAIT_SECONDS:-30}"'; \
     set -e
     mkdir -p /etc/docker
     DAEMON_JSON="/etc/docker/daemon.json"