diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index 9bb72ba..2e7bba0 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -109,7 +109,7 @@ jobs:
           VERSION="${{ steps.version.outputs.version }}"
           COMMIT="${{ steps.version.outputs.commit }}"
           BOT_TOKEN=*** -extract EnvironmentVariables:TELEGRAM_BOT_TOKEN raw /Users/freetlab/Library/LaunchAgents/ai.openclaw.gateway.plist 2>/dev/null || echo "")
-          if [ -z "$BOT_TOKEN" ]; then exit 0; fi
+          if [ -z "${BOT_TOKEN}" ]; then exit 0; fi
           if [ "${{ job.status }}" = "success" ]; then
             MSG="✅ *Farolero* v${VERSION} build OK · ${COMMIT}%0AAPK + AAB en builds.freetimelab.es"
           else