diff --git a/.github/workflows/osrm-backend.yml b/.github/workflows/osrm-backend.yml
index 135851d05..10eb3185d 100644
--- a/.github/workflows/osrm-backend.yml
+++ b/.github/workflows/osrm-backend.yml
@@ -727,6 +727,8 @@ jobs:
       # we run benchmarks in tmpfs to avoid impact of disk IO
       - name: Create folder for tmpfs 
         run: |
+          # if by any chance it was mounted before(e.g. due to previous job failed), unmount it
+          sudo umount ~/benchmarks | true
           rm -rf ~/benchmarks 
           mkdir -p ~/benchmarks
       - name: Run PR Benchmarks