diff --git a/ydb/library/actors/http/http_ut.cpp b/ydb/library/actors/http/http_ut.cpp
index 2b5cc6c02f1b..6c92f3b938f0 100644
--- a/ydb/library/actors/http/http_ut.cpp
+++ b/ydb/library/actors/http/http_ut.cpp
@@ -303,8 +303,8 @@ Y_UNIT_TEST_SUITE(HttpProxy) {
 
         NActors::IActor* proxy = NHttp::CreateHttpProxy();
         NActors::TActorId proxyId = actorSystem.Register(proxy);
-        actorSystem.Send(new NActors::IEventHandle(proxyId, TActorId(), new NHttp::TEvHttpProxy::TEvAddListeningPort(port)), 0, true);
-        actorSystem.DispatchEvents();
+        actorSystem.Send(new NActors::IEventHandle(proxyId, actorSystem.AllocateEdgeActor(), new NHttp::TEvHttpProxy::TEvAddListeningPort(port)), 0, true);
+        actorSystem.GrabEdgeEvent<NHttp::TEvHttpProxy::TEvConfirmListen>(handle);
 
         NActors::TActorId serverId = actorSystem.AllocateEdgeActor();
         actorSystem.Send(new NActors::IEventHandle(proxyId, serverId, new NHttp::TEvHttpProxy::TEvRegisterHandler("/test", serverId)), 0, true);
@@ -336,8 +336,8 @@ Y_UNIT_TEST_SUITE(HttpProxy) {
 
         NActors::IActor* proxy = NHttp::CreateHttpProxy();
         NActors::TActorId proxyId = actorSystem.Register(proxy);
-        actorSystem.Send(new NActors::IEventHandle(proxyId, TActorId(), new NHttp::TEvHttpProxy::TEvAddListeningPort(port)), 0, true);
-        actorSystem.DispatchEvents();
+        actorSystem.Send(new NActors::IEventHandle(proxyId, actorSystem.AllocateEdgeActor(), new NHttp::TEvHttpProxy::TEvAddListeningPort(port)), 0, true);
+        actorSystem.GrabEdgeEvent<NHttp::TEvHttpProxy::TEvConfirmListen>(handle);
 
         NActors::TActorId serverId = actorSystem.AllocateEdgeActor();
         actorSystem.Send(new NActors::IEventHandle(proxyId, serverId, new NHttp::TEvHttpProxy::TEvRegisterHandler("/test", serverId)), 0, true);
@@ -432,8 +432,8 @@ CRA/5XcX13GJwHHj6LCoc3sL7mt8qV9HKY2AOZ88mpObzISZxgPpdKCfjsrdm63V
         add->CertificateFile = certificateFile.Name();
         add->PrivateKeyFile = certificateFile.Name();
         /////////
-        actorSystem.Send(new NActors::IEventHandle(proxyId, TActorId(), add.Release()), 0, true);
-        actorSystem.DispatchEvents();
+        actorSystem.Send(new NActors::IEventHandle(proxyId, actorSystem.AllocateEdgeActor(), add.Release()), 0, true);
+        actorSystem.GrabEdgeEvent<NHttp::TEvHttpProxy::TEvConfirmListen>(handle);
 
         NActors::TActorId serverId = actorSystem.AllocateEdgeActor();
         actorSystem.Send(new NActors::IEventHandle(proxyId, serverId, new NHttp::TEvHttpProxy::TEvRegisterHandler("/test", serverId)), 0, true);
@@ -487,8 +487,8 @@ CRA/5XcX13GJwHHj6LCoc3sL7mt8qV9HKY2AOZ88mpObzISZxgPpdKCfjsrdm63V
 
         NActors::IActor* proxy = NHttp::CreateHttpProxy();
         NActors::TActorId proxyId = actorSystem.Register(proxy);
-        actorSystem.Send(new NActors::IEventHandle(proxyId, TActorId(), new NHttp::TEvHttpProxy::TEvAddListeningPort(port)), 0, true);
-        actorSystem.DispatchEvents();
+        actorSystem.Send(new NActors::IEventHandle(proxyId, actorSystem.AllocateEdgeActor(), new NHttp::TEvHttpProxy::TEvAddListeningPort(port)), 0, true);
+        actorSystem.GrabEdgeEvent<NHttp::TEvHttpProxy::TEvConfirmListen>(handle);
 
         NActors::TActorId serverId = actorSystem.AllocateEdgeActor();
         actorSystem.Send(new NActors::IEventHandle(proxyId, serverId, new NHttp::TEvHttpProxy::TEvRegisterHandler("/test", serverId)), 0, true);