diff --git a/.forgejo/workflows/build-latex.yml b/.forgejo/workflows/build-latex.yml
index 4c9f63f..ae6d815 100644
--- a/.forgejo/workflows/build-latex.yml
+++ b/.forgejo/workflows/build-latex.yml
@@ -36,7 +36,7 @@ jobs:
       - name: capture PDF artifact
         uses: https://code.forgejo.org/forgejo/upload-artifact@v4
         with:
-          name: main-pdf
+          name: main-pdf.zip
           path: main.pdf
           if-no-files-found: error