diff --git a/client/internal/engine_test.go b/client/internal/engine_test.go
index 2df0a50e06..ddfae0a2f1 100644
--- a/client/internal/engine_test.go
+++ b/client/internal/engine_test.go
@@ -251,6 +251,8 @@ func TestEngine_UpdateNetworkMap(t *testing.T) {
 	}
 	engine.wgInterface = wgIface
 	engine.routeManager = routemanager.NewManager(ctx, key.PublicKey().String(), time.Minute, engine.wgInterface, engine.statusRecorder, relayMgr, nil, nil)
+	_, _, err = engine.routeManager.Init()
+	require.NoError(t, err)
 	engine.dnsServer = &dns.MockServer{
 		UpdateDNSServerFunc: func(serial uint64, update nbdns.Config) error { return nil },
 	}