diff --git a/roles/openqa/worker/files/ifcfg-br0 b/roles/openqa/worker/files/ifcfg-br0
index 1d068e5711..28dd86ecb4 100644
--- a/roles/openqa/worker/files/ifcfg-br0
+++ b/roles/openqa/worker/files/ifcfg-br0
@@ -2,7 +2,7 @@ DEVICETYPE='ovs'
 TYPE='OVSBridge'
 BOOTPROTO='static'
 IPADDR='10.0.2.2'
-NETMASK='255.254.0.0'
+NETMASK='255.255.254.0'
 DEVICE=br0
 STP=on
 ONBOOT='yes'