diff --git a/tests.yaml b/tests.yaml
index c4a5668..7a8e7fd 100644
--- a/tests.yaml
+++ b/tests.yaml
@@ -3,7 +3,7 @@ executions:
   - name: "Interdomain tests [packet] [aks] [aws]"
     env:
       - ARTIFACTS_ARCHIVE=true
-      - CLUSTER1_CIDR1=172.18.1.128/25
+      - CLUSTER1_CIDR=172.18.1.128/25
     root: ./
     timeout: 3600
     cluster-count: 3