diff --git a/firmware/lcd/display.c b/firmware/lcd/display.c
index 7f45319..38b280b 100644
--- a/firmware/lcd/display.c
+++ b/firmware/lcd/display.c
@@ -10,7 +10,7 @@
 #include "usb/usbmsc.h"
 
 
-#define N1600
+#undef N1600
 
 /**************************************************************************/
 /* Utility routines to manage nokia display */