diff --git a/core/logic/GameConfigs.cpp b/core/logic/GameConfigs.cpp
index cf4742cf..2d0d394a 100644
--- a/core/logic/GameConfigs.cpp
+++ b/core/logic/GameConfigs.cpp
@@ -153,6 +153,23 @@ static inline bool IsPlatformCompatible(const char *platform, bool *hadPrimaryMa
 	return false;
 }
 
+static inline time_t GetFileModTime(const char *path)
+{
+	char filepath[PLATFORM_MAX_PATH];
+	g_pSM->BuildPath(Path_SM, filepath, sizeof(filepath), "gamedata/%s.txt", path);
+#ifdef PLATFORM_WINDOWS
+	struct _stat64 s;
+	if (_stat64(filepath, &s) != 0)
+#elif defined PLATFORM_POSIX
+	struct stat s;
+	if (stat(filepath, &s) != 0)
+#endif
+	{
+		return 0;
+	}
+	return s.st_mtime;
+}
+
 CGameConfig::CGameConfig(const char *file, const char *engine)
 {
 	strncopy(m_File, file, sizeof(m_File));
@@ -160,6 +177,8 @@ CGameConfig::CGameConfig(const char *file, const char *engine)
 	m_CustomLevel = 0;
 	m_CustomHandler = NULL;
 
+	m_ModTime = GetFileModTime(file);
+
 	if (!engine)
 		m_pEngine = bridge->GetSourceEngineName();
 	else
@@ -1132,9 +1151,17 @@ bool GameConfigManager::LoadGameConfigFile(const char *file, IGameConfig **_pCon
 
 	if (m_Lookup.retrieve(file, &pConfig))
 	{
+		bool ret = true;
+		time_t modtime = GetFileModTime(file);
+		if (pConfig->m_ModTime != modtime)
+		{
+			pConfig->m_ModTime = modtime;
+			ret = pConfig->Reparse(error, maxlength);
+		}
+
 		pConfig->AddRef();
 		*_pConfig = pConfig;
-		return true;
+		return ret;
 	}
 
 	pConfig = new CGameConfig(file);
diff --git a/core/logic/GameConfigs.h b/core/logic/GameConfigs.h
index dc96eeeb..e3d523d8 100644
--- a/core/logic/GameConfigs.h
+++ b/core/logic/GameConfigs.h
@@ -123,6 +123,7 @@ private:
 	StringHashMap<AddressConf> m_Addresses;
 	const char *m_pEngine;
 	const char *m_pBaseEngine;
+	time_t m_ModTime;
 };
 
 class GameConfigManager :