diff --git a/.github/workflows/system-tests.yml b/.github/workflows/system-tests.yml
index 3b9ea847e79..a18cc565a93 100644
--- a/.github/workflows/system-tests.yml
+++ b/.github/workflows/system-tests.yml
@@ -277,7 +277,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           repository: 'DataDog/system-tests'
-          ref: ${{ env.ST_REF }}
+          ref: conti/set-aws-env-on-docker-runner
           persist-credentials: false
       - name: Pull runner image
         run: |