diff --git a/tests/ovn-performance.at b/tests/ovn-performance.at
index 249302a10d..6e264a30e0 100644
--- a/tests/ovn-performance.at
+++ b/tests/ovn-performance.at
@@ -238,6 +238,9 @@ for i in `seq 1 5`; do
     as hv$i
     ovs-vsctl add-br br-phys
     ovn_attach n1 br-phys 192.168.0.$i
+    # Do not postpone patch ports related changes, as they may occur more or less anywere within the test,
+    # hence causing unexpected recomputes.
+    check ovn-appctl -t ovn-controller debug/ignore-startup-delay
     if [[ $i -ge 3 ]] ; then
         ovs-vsctl add-br br-ex
         ovs-vsctl set open . external_ids:ovn-bridge-mappings="public:br-ex"