diff --git a/.github/workflows/test_PR_image.yml b/.github/workflows/test_PR_image.yml
index 3f88abd5..a04ed6aa 100644
--- a/.github/workflows/test_PR_image.yml
+++ b/.github/workflows/test_PR_image.yml
@@ -43,7 +43,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           repository: waku-org/waku-interop-tests
-
+          ref: SMOKE_TESTS
       - uses: actions/setup-python@v4
         with: