diff -r 7639cfa6aec0 -r c6a1a6ca5437 main/brewboard.c
--- a/main/brewboard.c	Sat May 04 21:18:51 2019 +0200
+++ b/main/brewboard.c	Tue May 07 22:03:38 2019 +0200
@@ -21,6 +21,7 @@
 
 int 				Main_Screen = MAIN_MODE_UNKNOWN;	///< Screen number
 int				Old_Screen = MAIN_MODE_UNKNOWN;		///< Previous screen number
+int				Sub_Screen = 0;				///< Subscreen during mash
 bool				System_TimeOk = false;			///< System time status
 const esp_app_desc_t		*app_desc = NULL;