diff --git a/.github/workflows/nightlybuild.yml b/.github/workflows/nightlybuild.yml
index a0e78cd0b..9cb1cea27 100644
--- a/.github/workflows/nightlybuild.yml
+++ b/.github/workflows/nightlybuild.yml
@@ -83,6 +83,7 @@ jobs:
           -var-file=$PKR_VAR_environment_root/${{ env.CI_CLOUD }}.pkrvars.hcl \
           -var "source_image_name=${{ matrix.build.source_image_name }}" \
           -var "image_name=${{ matrix.build.image_name }}" \
+          -var "image_name_version="\
           -var "inventory_groups=${{ matrix.build.inventory_groups }}" \
           openstack.pkr.hcl