diff --git a/Libraries/Core/Routers/EventOutputHolder.cs b/Libraries/Core/Routers/EventOutputHolder.cs
index 469ddc02..645aecb9 100644
--- a/Libraries/Core/Routers/EventOutputHolder.cs
+++ b/Libraries/Core/Routers/EventOutputHolder.cs
@@ -52,6 +52,11 @@ public class EventOutputHolder
     {
         var pmcProfile = _profileHelper.GetPmcProfile(sessionId);
 
+        if (_outputStore.ContainsKey(sessionId))
+        {
+            _outputStore.Remove(sessionId);
+        }
+        
         _outputStore.Add(
             sessionId,
             new ItemEventRouterResponse