diff --git a/devstack-vm-gate.sh b/devstack-vm-gate.sh
index 181fc2d3..60e85177 100755
--- a/devstack-vm-gate.sh
+++ b/devstack-vm-gate.sh
@@ -86,6 +86,7 @@ FIXED_RANGE=10.1.0.0/24
 FIXED_NETWORK_SIZE=256
 VIRT_DRIVER=$DEVSTACK_GATE_VIRT_DRIVER
 SWIFT_REPLICAS=1
+SCREEN_DEV=False
 export OS_NO_CACHE=True
 EOF