diff --git a/src/Microsoft.SqlTools.ServiceLayer/ObjectExplorer/Contracts/CreateSessionRequest.cs b/src/Microsoft.SqlTools.ServiceLayer/ObjectExplorer/Contracts/CreateSessionRequest.cs
index 3fa4d541..64172ab1 100644
--- a/src/Microsoft.SqlTools.ServiceLayer/ObjectExplorer/Contracts/CreateSessionRequest.cs
+++ b/src/Microsoft.SqlTools.ServiceLayer/ObjectExplorer/Contracts/CreateSessionRequest.cs
@@ -71,6 +71,6 @@ namespace Microsoft.SqlTools.ServiceLayer.ObjectExplorer.Contracts
     {
         public static readonly
             EventType<SessionCreatedParameters> Type =
-            EventType<SessionCreatedParameters>.Create("objectexplorer/sessionCreated");
+            EventType<SessionCreatedParameters>.Create("objectexplorer/sessioncreated");
     }
 }