diff --git a/.woodpecker.yml b/.woodpecker.yml
index 057bacf..63e520d 100644
--- a/.woodpecker.yml
+++ b/.woodpecker.yml
@@ -30,7 +30,7 @@ pipeline:
       - pwd
       - podman load < /shared/image.tar.gz
       - export REPO=git.mzhang.io/michael/liveterm
-      - export TAG=$(podman images liveterm --format "{{.Tag}}")
+      - "export TAG=$(podman images liveterm --format '{{.Tag}}')"
       - "podman tag liveterm:$TAG $REPO:$TAG"
       - "podman tag liveterm:$TAG $REPO:latest"
       - podman login git.mzhang.io --username michael --password $DOCKER_TOKEN