diff --git a/.github/workflows/DNS.yml b/.github/workflows/DNS.yml
index aa4a6936..87bb30e7 100644
--- a/.github/workflows/DNS.yml
+++ b/.github/workflows/DNS.yml
@@ -83,7 +83,7 @@ jobs:
     - name: Run acmetest
       run: |
         cd ../acmetest
-        ./rundocker.sh testall
+        ./rundocker.sh testall -d ${{ vars.TESTING_DOMAIN }}