diff --git a/scripts/kconfig/lxdialog/check-lxdialog.sh b/scripts/kconfig/lxdialog/check-lxdialog.sh
index c8e8a7154753b858e9f51e9c3d6816962d8f549b..80788137c670b2b7e7740c99803f03edd9803a3f 100644
--- a/scripts/kconfig/lxdialog/check-lxdialog.sh
+++ b/scripts/kconfig/lxdialog/check-lxdialog.sh
@@ -21,6 +21,7 @@ ccflags()
 {
 	if [ -f /usr/include/ncursesw/curses.h ]; then
 		echo '-I/usr/include/ncursesw -DCURSES_LOC="<ncursesw/curses.h>"'
+		echo ' -DNCURSES_WIDECHAR=1'
 	elif [ -f /usr/include/ncurses/ncurses.h ]; then
 		echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses.h>"'
 	elif [ -f /usr/include/ncurses/curses.h ]; then