diff --git a/cores/MasterSystem/make.bat b/cores/MasterSystem/make.bat
index e0bc6f6..44e4cc5 100644
--- a/cores/MasterSystem/make.bat
+++ b/cores/MasterSystem/make.bat
@@ -2,7 +2,7 @@ SET machine=sms
 SET speed=3
 SET ruta_ucf=src\sms
 SET ruta_bat=..\
-rem call %ruta_bat%genxst.bat
+call %ruta_bat%genxst.bat
 rem call %ruta_bat%generar.bat v2
 rem call %ruta_bat%generar.bat v3
 call %ruta_bat%generar.bat v4