diff --git a/nixos/tests/fastnetmon-advanced.nix b/nixos/tests/fastnetmon-advanced.nix
index e9bce4f8eb9f..957f26017f4c 100644
--- a/nixos/tests/fastnetmon-advanced.nix
+++ b/nixos/tests/fastnetmon-advanced.nix
@@ -62,7 +62,7 @@
       bird.wait_for_unit("bird.service")
 
       fnm.wait_until_succeeds('journalctl -eu fastnetmon.service | grep "BGP daemon restarted correctly"')
-      fnm.wait_until_succeeds("journalctl -eu gobgp.service | grep BGP_FSM_OPENCONFIRM")
+      fnm.wait_until_succeeds('journalctl -eu gobgp.service | grep "Peer Up"')
       bird.wait_until_succeeds("birdc show protocol fnm | grep Estab")
       fnm.wait_until_succeeds('journalctl -eu fastnetmon.service | grep "API server listening"')
       fnm.succeed("fcli set blackhole 172.23.42.123")