diff --git a/cluster/aws/config-default.sh b/cluster/aws/config-default.sh
index e57947fadbb..59eaa57d76f 100644
--- a/cluster/aws/config-default.sh
+++ b/cluster/aws/config-default.sh
@@ -85,7 +85,7 @@ ADMISSION_CONTROL=NamespaceLifecycle,NamespaceExists,LimitRanger,SecurityContext
 ENABLE_MINION_PUBLIC_IP=${KUBE_ENABLE_MINION_PUBLIC_IP:-true}
 
 # OS options for minions
-KUBE_OS_DISTRIBUTION="${KUBE_OS_DISTRIBUTION:-ubuntu}"
+KUBE_OS_DISTRIBUTION="${KUBE_OS_DISTRIBUTION:-vivid}"
 KUBE_MINION_IMAGE="${KUBE_MINION_IMAGE:-}"
 COREOS_CHANNEL="${COREOS_CHANNEL:-alpha}"
 CONTAINER_RUNTIME="${KUBE_CONTAINER_RUNTIME:-docker}"
diff --git a/cluster/aws/config-test.sh b/cluster/aws/config-test.sh
index b4179f38009..d8963e4f828 100755
--- a/cluster/aws/config-test.sh
+++ b/cluster/aws/config-test.sh
@@ -81,7 +81,7 @@ ADMISSION_CONTROL=NamespaceLifecycle,NamespaceExists,LimitRanger,SecurityContext
 ENABLE_MINION_PUBLIC_IP=${KUBE_ENABLE_MINION_PUBLIC_IP:-true}
 
 # OS options for minions
-KUBE_OS_DISTRIBUTION="${KUBE_OS_DISTRIBUTION:-ubuntu}"
+KUBE_OS_DISTRIBUTION="${KUBE_OS_DISTRIBUTION:-vivid}"
 KUBE_MINION_IMAGE="${KUBE_MINION_IMAGE:-}"
 COREOS_CHANNEL="${COREOS_CHANNEL:-alpha}"
 CONTAINER_RUNTIME="${KUBE_CONTAINER_RUNTIME:-docker}"