diff --git a/cluster/vagrant/config-test.sh b/cluster/vagrant/config-test.sh
index deabb8f81fa..dbaac9dd35a 100644
--- a/cluster/vagrant/config-test.sh
+++ b/cluster/vagrant/config-test.sh
@@ -15,5 +15,8 @@
 # limitations under the License.
 
 ## Contains configuration values for interacting with the Vagrant cluster in test mode
+#Set NUM_MINIONS to minimum required for testing.
+NUM_MINIONS=2
+
 KUBE_ROOT=$(dirname "${BASH_SOURCE}")/../..
 source "${KUBE_ROOT}/cluster/vagrant/config-default.sh"