diff --git a/.github/workflows/build_image.yml b/.github/workflows/build_image.yml
index 2479082..c1bb23a 100644
--- a/.github/workflows/build_image.yml
+++ b/.github/workflows/build_image.yml
@@ -13,4 +13,4 @@ jobs:
           DOCKER_PASS: ${{ secrets.DOCKER_PASSWORD }}
         run: |
           docker login -u ${DOCKER_USER} -p ${DOCKER_PASS}
-          VERSION="${GITHUB_SHA:0:10}" COMMIT_SHA="$GITHUB_SHA" make publish
+          VERSION="${GITHUB_REF#"refs/heads/"}" COMMIT_SHA="$GITHUB_SHA" make publish