diff --git a/.github/workflows/release-docker-dev.yml b/.github/workflows/release-docker-dev.yml
index f275ed834..3e1a6090d 100644
--- a/.github/workflows/release-docker-dev.yml
+++ b/.github/workflows/release-docker-dev.yml
@@ -71,9 +71,10 @@ jobs:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
       - run: |
+          SHORT_SHA="${{ github.sha }}"
           docker buildx imagetools create \
             -t lmsysorg/sglang:${{ matrix.variant.tag }} \
-            -t lmsysorg/sglang:nightly-${{ matrix.variant.tag }}-$(date +%Y%m%d)-${{ github.sha:0:8 }} \
+            -t lmsysorg/sglang:nightly-${{ matrix.variant.tag }}-$(date +%Y%m%d)-${SHORT_SHA:0:8} \
             lmsysorg/sglang:${{ matrix.variant.x86_tag }} \
             lmsysorg/sglang:${{ matrix.variant.arm64_tag }}