diff --git a/.github/workflows/tree.yml b/.github/workflows/tree.yml
index 1bb55bf731f97..6a70a1462da4c 100644
--- a/.github/workflows/tree.yml
+++ b/.github/workflows/tree.yml
@@ -43,7 +43,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
-          ref: ${{github.sha}}
+          ref: ${{ github.reftype == 'tag' && github.sha || github.ref }}
 
       - name: Fix "dubious ownership" issue
         run: git config --global --add safe.directory /__w/tarantool/tarantool