diff --git a/tests/files/gce_ubuntu-contiv-sep.yml b/tests/files/gce_ubuntu-contiv-sep.yml
index a2d88c18e..3d02319e8 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