diff --git a/src/g_game.c b/src/g_game.c
index d63de1937..c9660da52 100644
--- a/src/g_game.c
+++ b/src/g_game.c
@@ -4391,7 +4391,7 @@ void G_LoadGameData(void)
 		P_SaveBufferFree(&save);
 		I_Error("Game data is from the future! (expected %d, got %d)\nRename or delete %s (maybe in %s) and try again.", GD_VERSIONMINOR, versionMinor, gamedatafilename, gdfolder);
 	}
-	if (versionMinor == 0)
+	if (versionMinor == 0 || versionMinor == 1)
 	{
 		gridunusable = true;
 	}