diff --git a/zuul.d/devstack-tobiko-ovs.yaml b/zuul.d/devstack-tobiko-ovs.yaml
index bb8c0d9..7a5c987 100644
--- a/zuul.d/devstack-tobiko-ovs.yaml
+++ b/zuul.d/devstack-tobiko-ovs.yaml
@@ -45,6 +45,8 @@
         Q_AGENT: openvswitch
         Q_ML2_TENANT_NETWORK_TYPE: vxlan
         Q_ML2_PLUGIN_MECHANISM_DRIVERS: openvswitch
+        # https://bugs.launchpad.net/neutron/+bug/2031415
+        GLOBAL_VENV: false
 
       devstack_services:
         # Disable OVN services
diff --git a/zuul.d/devstack-tobiko.yaml b/zuul.d/devstack-tobiko.yaml
index 05843f8..57f97dc 100644
--- a/zuul.d/devstack-tobiko.yaml
+++ b/zuul.d/devstack-tobiko.yaml
@@ -125,6 +125,8 @@
         Q_AGENT: openvswitch
         Q_ML2_TENANT_NETWORK_TYPE: vxlan
         Q_ML2_PLUGIN_MECHANISM_DRIVERS: openvswitch
+        # https://bugs.launchpad.net/neutron/+bug/2031415
+        GLOBAL_VENV: false
       devstack_local_conf:
         post-config:
           /$NEUTRON_CORE_PLUGIN_CONF: