diff --git a/cluster/gce/config-test.sh b/cluster/gce/config-test.sh
index fce7e476707..a701946dfec 100755
--- a/cluster/gce/config-test.sh
+++ b/cluster/gce/config-test.sh
@@ -83,7 +83,7 @@ GCI_DOCKER_VERSION=${KUBE_GCI_DOCKER_VERSION:-}
 RKT_VERSION=${KUBE_RKT_VERSION:-1.23.0}
 RKT_STAGE1_IMAGE=${KUBE_RKT_STAGE1_IMAGE:-coreos.com/rkt/stage1-coreos}
 
-NETWORK=${KUBE_GCE_NETWORK:-e2e}
+NETWORK=${KUBE_GCE_NETWORK:-e2e-test-${USER}}
 INSTANCE_PREFIX="${KUBE_GCE_INSTANCE_PREFIX:-e2e-test-${USER}}"
 CLUSTER_NAME="${CLUSTER_NAME:-${INSTANCE_PREFIX}}"
 MASTER_NAME="${INSTANCE_PREFIX}-master"