diff --git a/viz/curses/7segments.c b/viz/curses/7segments.c
index ff12449..9965a08 100644
--- a/viz/curses/7segments.c
+++ b/viz/curses/7segments.c
@@ -13,7 +13,7 @@
 
 #include  "ecran.h"
 
-int	verbosity;
+extern int	verbosity;
 
 /* ---------------------------------------------------------------- */
 int aff7segs_base(WINDOW * win, int lig, int col, int bits, int k)