diff --git a/.github/workflows/_build_artifacts.yml b/.github/workflows/_build_artifacts.yml
index ebf43eaf7..fcd69e1df 100644
--- a/.github/workflows/_build_artifacts.yml
+++ b/.github/workflows/_build_artifacts.yml
@@ -466,7 +466,7 @@ jobs:
         working-directory: /tmp/digests/${{ matrix.image.name }}
         run: |
           tags=$(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON")
-          sources=$(printf '${{ steps.login.outputs.registry }}/firezone/${{ matrix.image_prefix && format('{0}/', matrix.image_prefix) || '' }}${{ matrix.image.name }}@sha256:%s' *)
+          sources=$(printf '${{ steps.login.outputs.registry }}/firezone/${{ matrix.image_prefix && format('{0}/', matrix.image_prefix) || '' }}${{ matrix.image.name }}@sha256:%s ' *)
 
           echo "Tags: $tags"
           echo "Sources: $sources"