diff --git a/source/core/searchpaths.cpp b/source/core/searchpaths.cpp
index 351dffb69..5f948a77c 100644
--- a/source/core/searchpaths.cpp
+++ b/source/core/searchpaths.cpp
@@ -397,6 +397,8 @@ static TArray<GrpInfo> ParseGrpInfo(const char *fn, FileReader &fr, TMap<FString
 	FlagMap.Insert("GAMEFLAG_POWERSLAVE", GAMEFLAG_POWERSLAVE);
 	FlagMap.Insert("GAMEFLAG_EXHUMED", GAMEFLAG_EXHUMED);
 	FlagMap.Insert("GAMEFLAG_DUKEDC", GAMEFLAG_DUKEDC);
+	FlagMap.Insert("GAMEFLAG_WITCHAVEN", GAMEFLAG_WH);
+	FlagMap.Insert("GAMEFLAG_WITCHAVEN2", GAMEFLAG_WH2);
 
 	FScanner sc;
 	auto mem = fr.Read();