diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index dc855ed..3d320b7 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -46,7 +46,7 @@ jobs:
   build-docker-image:
     runs-on: ubuntu-22.04
     needs: build-jar
-    if: startsWith(env.GITEA_REF, 'refs/tags/v')
+    if: startsWith(gitea.ref, 'refs/tags/v')
     steps:
       - name: Checkout
         uses: actions/checkout@v4