diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index e664070..0cf9647 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -24,7 +24,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Build image
-        run: docker build . --file Dockerfile --tag $IMAGE_NAME --label "runnumber=${GITHUB_RUN_ID} --build-arg CONFIG_PHRASE=${{ secrets.CONFIG_PHRASE }}"
+        run: docker build . --file Dockerfile --tag $IMAGE_NAME --label "runnumber=${GITHUB_RUN_ID} --build-arg CONFIG_PHRASE="${{ secrets.CONFIG_PHRASE }}"
         env:
           CONFIG_PHRASE: ${{ secrets.CONFIG_PHRASE }}