--- SDK/MUI/C/include/libraries/mui.h	2020-12-28 10:47:33.000000000 +0100
+++ SDK/MUI/C/include/libraries/mui.h	2021-10-05 11:25:11.067182854 +0200
@@ -153,7 +153,7 @@
 ***************************************************************************/
 
 #define MUIMASTER_NAME    "muimaster.library"
-#define MUIMASTER_VMIN    20
+#define MUIMASTER_VMIN    19
 #define MUIMASTER_VLATEST 20
 
 /*