diff --git a/.crystalintegration.yml b/.crystalintegration.yml
index 8903b62..d8112af 100644
--- a/.crystalintegration.yml
+++ b/.crystalintegration.yml
@@ -58,7 +58,7 @@ steps:
     secrets: [ cb_git_auth ]
     commands:
       - git remote add codeberg https://$CB_GIT_AUTH@codeberg.org/forgejo-contrib/forgejo-deb
-      - git fetch --unshallow origin
+      - if ( $(git rev-parse --is-shallow-repository) == "true" );then; git fetch --unshallow origin ;fi
       - git fetch codeberg
       - git push codeberg --tags refs/remotes/origin/*:refs/heads/*