diff --git a/dotnet/src/Agents/Abstractions/AggregatorAgent.cs b/dotnet/src/Agents/Abstractions/AggregatorAgent.cs
index 1255db7061bb..eb1f7d0fac98 100644
--- a/dotnet/src/Agents/Abstractions/AggregatorAgent.cs
+++ b/dotnet/src/Agents/Abstractions/AggregatorAgent.cs
@@ -45,7 +45,7 @@ public sealed class AggregatorAgent(Func<AgentChat> chatProvider) : Agent
     protected internal override IEnumerable<string> GetChannelKeys()
     {
         yield return typeof(AggregatorChannel).FullName!;
-        yield return this.GetHashCode().ToString();
+        yield return this.Name ?? this.Id;
     }
 
     /// <inheritdoc/>
diff --git a/dotnet/src/Agents/UnitTests/AgentChatSerializerTests.cs b/dotnet/src/Agents/UnitTests/AgentChatSerializerTests.cs
index 07774bd96705..ba607d260689 100644
--- a/dotnet/src/Agents/UnitTests/AgentChatSerializerTests.cs
+++ b/dotnet/src/Agents/UnitTests/AgentChatSerializerTests.cs
@@ -174,7 +174,7 @@ public async Task VerifyDeserializedChatWithAgentsAsync()
     public async Task VerifyDeserializedChatWithAggregatorAsync()
     {
         // Create chat
-        TestChat chat = new(new AggregatorAgent(() => new TestChat(CreateMockAgent())));
+        TestChat chat = new(new AggregatorAgent(() => new TestChat(CreateMockAgent())) { Name = "Group" });
         chat.AddChatMessage(new ChatMessageContent(AuthorRole.User, "test"));
         ChatMessageContent[] messages = await chat.InvokeAsync().ToArrayAsync();
 
@@ -182,7 +182,7 @@ public async Task VerifyDeserializedChatWithAggregatorAsync()
         AgentChatSerializer serializer = await this.CreateSerializerAsync(chat);
         Assert.Single(serializer.Participants);
 
-        TestChat copy = new(new AggregatorAgent(() => new TestChat(CreateMockAgent())));
+        TestChat copy = new(new AggregatorAgent(() => new TestChat(CreateMockAgent())) { Name = "Group" });
 
         await serializer.DeserializeAsync(copy);