diff --git a/.github/workflows/docker-build.yml b/.github/workflows/docker-build.yml
index bc7241f..1a0fba2 100644
--- a/.github/workflows/docker-build.yml
+++ b/.github/workflows/docker-build.yml
@@ -46,7 +46,7 @@ jobs:
           --output "type=image,push=true" \
           --tag "${{ steps.prepare.outputs.docker_image }}:${{ steps.prepare.outputs.version }}" \
           --tag "${{ steps.prepare.outputs.docker_image }}:latest" \
-          --build-arg REF=${ref} \
+          --build-arg REF=${{ steps.prepare.outputs.ref }} \
           --file Dockerfile .
 
   test:
diff --git a/.github/workflows/docker-nightly-build.yml b/.github/workflows/docker-nightly-build.yml
index 653147f..9aed3a2 100644
--- a/.github/workflows/docker-nightly-build.yml
+++ b/.github/workflows/docker-nightly-build.yml
@@ -37,7 +37,7 @@ jobs:
           docker buildx build --platform ${{ steps.prepare.outputs.docker_platforms }} \
           --output "type=image,push=true" \
           --tag "${{ steps.prepare.outputs.docker_image }}:nightly" \
-          --build-arg REF=${ref} \
+          --build-arg REF=${{ steps.prepare.outputs.ref }} \
           --file Dockerfile .
 
   test: