diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 6bce011..0e76945 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -19,9 +19,11 @@ jobs:
         with:
           fetch-depth: 0
           submodules: recursive
-      - name: Get new commits
+      - name: Get new commits since last successful run
         id: commits
-        run: echo "NEW_COMMIT_COUNT=$(git log --oneline --since '24 hours ago' | wc -l)" >> $GITHUB_OUTPUT
+        run: |
+          COUNT=$(gh api -H 'Accept: application/vnd.github+json' -H "X-GitHub-Api-Version: 2022-11-28" https://api.github.com/repos/technyon/nuki_hub/actions/workflows/nightly.yml/runs?status=success | jq '.workflow_runs[0].created_at')
+          echo "NEW_COMMIT_COUNT=$(git log --oneline --since $COUNT | wc -l)" >> $GITHUB_OUTPUT
   build:
     name: Build ${{ matrix.board }} (${{ matrix.build }})
     needs: check-commits