diff --git a/tests/files/gce_ubuntu-contiv-sep.yml b/tests/files/gce_ubuntu-contiv-sep.yml
index a2d88c18e8336d96d1fb62922e0fcba76c7e4b97..3d02319e895779f94c89f140d5f621af97b2bb87 100644
--- a/tests/files/gce_ubuntu-contiv-sep.yml
+++ b/tests/files/gce_ubuntu-contiv-sep.yml
@@ -1,6 +1,7 @@
 # Instance settings
 cloud_image_family: ubuntu-1604-lts
 cloud_region: us-central1-b
+cloud_machine_type: "n1-standard-2"
 mode: separate
 
 # Deployment settings