diff --git a/core/GameConfigs.cpp b/core/GameConfigs.cpp
index af424f7d..c40cc7aa 100644
--- a/core/GameConfigs.cpp
+++ b/core/GameConfigs.cpp
@@ -564,6 +564,7 @@ void GameConfigManager::CloseGameConfigFile(IGameConfig *cfg)
 
 	if (pConfig->DecRefCount() == 0)
 	{
+		sm_trie_delete(m_pLookup, pConfig->m_pFile);
 		delete pConfig;
 	}
 }
diff --git a/core/GameConfigs.h b/core/GameConfigs.h
index 78621d0e..ba267166 100644
--- a/core/GameConfigs.h
+++ b/core/GameConfigs.h
@@ -31,6 +31,7 @@ class CGameConfig :
 	public ITextListener_SMC,
 	public IGameConfig
 {
+	friend class GameConfigManager;
 public:
 	CGameConfig(const char *file);
 	~CGameConfig();