diff --git a/KeyProc.cpp b/KeyProc.cpp
index 197c93d..9574404 100644
--- a/KeyProc.cpp
+++ b/KeyProc.cpp
@@ -27,7 +27,7 @@
 using namespace std ;
 
 //----------------------------------------------------------------------------
-static const int MIN_DAYS = 16831 ;  // giorni al 31/01/2016  dal 1/1/1970
+static const int MIN_DAYS = 17562 ;  // giorni al 31/01/2018  dal 1/1/1970
 static const int N_STEP = 7 ;
 
 //----------------------------------------------------------------------------