diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index bf26fe03..d7b33709 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -69,7 +69,7 @@ jobs:
             type=sha,format=short,event=branch
             type=semver,pattern={{version}}
             type=raw,value=latest-ci,enable={{is_default_branch}}
-            type=raw,value=latest-ci_{{steps.current-time.outputs.unix_time}},enable={{is_default_branch}}
+            type=raw,value=latest-ci_${{steps.current-time.outputs.unix_time}},enable={{is_default_branch}}
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@dc7b9719a96d48369863986a06765841d7ea23f6