diff --git a/.forgejo/workflows/build+release.yml b/.forgejo/workflows/build+release.yml
index ff7c37e..2b3af41 100644
--- a/.forgejo/workflows/build+release.yml
+++ b/.forgejo/workflows/build+release.yml
@@ -62,7 +62,7 @@ jobs:
                 name: Determine Docker tags
                 id: tags
                 run: |
-                    if github.ref_name | grep -qi '\-rc' ; then
+                    if ${{ github.ref_name }} | grep -qi '\-rc' ; then
                         echo latest=forgejo.neshweb.net/neshweb-sites/${{ github.event.repository.name }}:preview >> $GITHUB_OUTPUT;
                     else
                         echo latest=forgejo.neshweb.net/neshweb-sites/${{ github.event.repository.name }}:latest >> $GITHUB_OUTPUT;