diff --git a/src/Infrastructure/BotSharp.Core/Routing/RoutingContext.cs b/src/Infrastructure/BotSharp.Core/Routing/RoutingContext.cs
index e9abdc04..2b2d40a4 100644
--- a/src/Infrastructure/BotSharp.Core/Routing/RoutingContext.cs
+++ b/src/Infrastructure/BotSharp.Core/Routing/RoutingContext.cs
@@ -106,6 +106,11 @@ public class RoutingContext : IRoutingContext
             await hook.OnAgentDequeued(agentId, currentAgentId, reason: reason)
         ).Wait();
 
+        if (string.IsNullOrEmpty(currentAgentId))
+        {
+            return;
+        }
+
         // Run the routing rule
         var agency = _services.GetRequiredService<IAgentService>();
         var agent = agency.LoadAgent(currentAgentId).Result;