diff --git a/roles/ComputeOvsDpdkRT.yaml b/roles/ComputeOvsDpdkRT.yaml
index 4563cc3713..78367357d7 100644
--- a/roles/ComputeOvsDpdkRT.yaml
+++ b/roles/ComputeOvsDpdkRT.yaml
@@ -12,6 +12,7 @@
   HostnameFormatDefault: '%stackname%-computeovsdpdkrt-%index%'
   ImageDefault: overcloud-realtime-compute
   RoleParametersDefault:
+    VhostuserSocketGroup: "hugetlbfs"
     TunedProfileName: "realtime-virtual-host"
   ServicesDefault:
     - OS::TripleO::Services::Aide