diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ddd49cf..cfa9849 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -90,7 +90,7 @@ jobs:
         if: github.event_name != 'pull_request'
         uses: actions/upload-artifact@v4
         with:
-          name: digests-${{ matrix.guix.platform }}
+          name: digests-${{ matrix.platform.guix }}
           path: /tmp/digests/*
           if-no-files-found: error
           retention-days: 1