diff --git a/source/core/searchpaths.cpp b/source/core/searchpaths.cpp
index ad51036f2..b82fdda74 100644
--- a/source/core/searchpaths.cpp
+++ b/source/core/searchpaths.cpp
@@ -930,7 +930,7 @@ const char* G_DefaultDefFile(void)
 	if (g_gameType & GAMEFLAG_DEER)
 		return "rrdeer.def";
 
-	if (g_gameType & GAMEFLAG_WW2GI)
+	if (isWW2GI())
 		return "ww2gi.def";
 
 	if (isSWALL())
diff --git a/source/games/duke/src/gamedef.cpp b/source/games/duke/src/gamedef.cpp
index 89ccc2dda..1c3edd0a5 100644
--- a/source/games/duke/src/gamedef.cpp
+++ b/source/games/duke/src/gamedef.cpp
@@ -3110,7 +3110,7 @@ static const char* ConFile(void)
 
 	// WW2GI anf NAM special con names got introduced by EDuke32.
 	// Do we really need these?
-	if (g_gameType & GAMEFLAG_WW2GI)
+	if (isWW2GI())
 	{
 		if (fileSystem.FindFile("ww2gi.con") >= 0) return "ww2gi.con";
 	}