diff --git a/classes/cluster/virtual-mcp11-ovs-dpdk/openstack/init.yml b/classes/cluster/virtual-mcp11-ovs-dpdk/openstack/init.yml
index 3a8b30c..6171a3c 100644
--- a/classes/cluster/virtual-mcp11-ovs-dpdk/openstack/init.yml
+++ b/classes/cluster/virtual-mcp11-ovs-dpdk/openstack/init.yml
@@ -32,7 +32,7 @@
     compute_dpdk_driver: uio
     compute_ovs_pmd_cpu_mask: "0x6"
     compute_ovs_dpdk_socket_mem: "1024"
-    compute_ovs_dpdk_lcore_mask: "0x400"
+    compute_ovs_dpdk_lcore_mask: "0x1"
     compute_ovs_memory_channels: "2"
 
     cluster_node01_hostname: ctl01