diff --git a/src/imc2/trackers.py b/src/imc2/trackers.py
index 5899c248e9..9ab3ae2806 100644
--- a/src/imc2/trackers.py
+++ b/src/imc2/trackers.py
@@ -38,7 +38,11 @@ class IMC2MudList(object):
     def remove_mud_from_packet(self, packet):
         # Removes a mud from the Mud list when given a packet.
         mud = IMC2Mud(packet)
-        del self.mud_list[mud.name]
+        try:
+            del self.mud_list[mud.name]
+        except KeyError:
+            # No matching entry, no big deal.
+            pass
 
 # Use this instance to keep track of the other games on the network.
 IMC2_MUDLIST = IMC2MudList()
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