diff --git a/.github/workflows/build-project.yml b/.github/workflows/build-project.yml
index 5d455c7d..d7b8e8bd 100644
--- a/.github/workflows/build-project.yml
+++ b/.github/workflows/build-project.yml
@@ -210,7 +210,7 @@ jobs:
           upload_url: https://uploads.github.com/repos/DJ2LS/codec2-FreeDATA/releases/48616289/assets{?name,label} # find out this value by opening https://api.github.com/repos/<owner>/<repo>/releases in your browser and copy the full "upload_url" value including the {?name,label} part
           release_id: 48616289 # same as above (id can just be taken out the upload_url, it's used to find old releases)
           asset_path: ./gui-bundle-ubuntu-artifact/codec2-FreeDATA_linux.tar.gz # path to archive to upload
-          asset_name: codec2-FreeDATA_linux-nightly-$$.zip # name to upload the release as, use $$ to insert date (YYYYMMDD) and 6 letter commit hash
+          asset_name: codec2-FreeDATA_linux-nightly-$$.tar.gz # name to upload the release as, use $$ to insert date (YYYYMMDD) and 6 letter commit hash
           asset_content_type: application/zip # required by GitHub API
           max_releases: 7 # optional, if there are more releases than this matching the asset_name, the oldest ones are going to be deleted
           #files: |