diff --git a/.github/workflows/hack-week-benchmark.yml b/.github/workflows/hack-week-benchmark.yml
index 0702dfa233eb..0b643331acd4 100644
--- a/.github/workflows/hack-week-benchmark.yml
+++ b/.github/workflows/hack-week-benchmark.yml
@@ -5,6 +5,7 @@ name: Bench
 on:
   workflow_call:
     inputs:
+      checkout-ref:
         type: string
         default: ""