diff --git a/.github/workflows/checksums.yml b/.github/workflows/checksums.yml
index 90c0274..e62ab0e 100644
--- a/.github/workflows/checksums.yml
+++ b/.github/workflows/checksums.yml
@@ -13,6 +13,7 @@ jobs:
       - name: Generate checksums
         run: |
           set -e
+          rm -rf /tmp/repo || true
           git clone --depth 1 ${{ github.server_url }}/${{ github.repository }}.git /tmp/repo
           cd /tmp/repo
           git checkout ${{ github.ref }}