diff --git a/lib/lichess_bot.py b/lib/lichess_bot.py
index 926096404..ebc0de6f7 100644
--- a/lib/lichess_bot.py
+++ b/lib/lichess_bot.py
@@ -397,6 +397,9 @@ def lichess_bot_main(li: lichess.Lichess,
                                  online_block_list)
             elif event["type"] == "challengeDeclined":
                 matchmaker.declined_challenge(event)
+            elif event["type"] == "challengeCanceled":
+                active_games.discard(event["game"]["id"])
+                log_proc_count("Freed", active_games)
             elif event["type"] == "gameStart":
                 matchmaker.accepted_challenge(event)
                 start_game(event,