diff --git a/.github/workflows/deploy-image.yml b/.github/workflows/deploy-image.yml
index ad9ca6b..6efb5d3 100644
--- a/.github/workflows/deploy-image.yml
+++ b/.github/workflows/deploy-image.yml
@@ -39,4 +39,4 @@ jobs:
         run: apptainer build --build-arg PYBIOCLIP_VERSION=1.0.0 apptainer.sif apptainer.def
 
       - name: Publish apptainer image
-        run: apptainer push apptainer.sif oras://${{ env.REGISTRY }}/${{ steps.lowercase.LC_IMAGE_NAME }}-sif:1.0.0
+        run: apptainer push apptainer.sif oras://${{ env.REGISTRY }}/${{ steps.lowercase.outputs.LC_IMAGE_NAME }}-sif:1.0.0