diff --git a/cluster/gke/util.sh b/cluster/gke/util.sh
index 5a0f0cef9d6de..123e8a6a463d7 100644
--- a/cluster/gke/util.sh
+++ b/cluster/gke/util.sh
@@ -125,7 +125,8 @@ function test-setup() {
     "${MINION_TAG}-${USER}-http-alt" \
     --allow tcp:80 tcp:8080 \
     --project "${PROJECT}" \
-    --target-tags "${MINION_TAG}"
+    --target-tags "${MINION_TAG}" \
+    --network="${NETWORK}"
 }
 
 # Ensure that we have a password created for validating to the master.