diff --git a/tests/pillar/compute_ovn.sls b/tests/pillar/compute_ovn.sls
index f3fbaf1..8ced50d 100644
--- a/tests/pillar/compute_ovn.sls
+++ b/tests/pillar/compute_ovn.sls
@@ -8,6 +8,7 @@
     backend:
       engine: ovn
       ovsdb_connection: tcp:127.0.0.1:6640
+      mac_table_size: 8192
     metadata:
       enabled: true
       ovsdb_server_iface: ptcp:6640:127.0.0.1