diff --git a/horst-ncurses6w.patch b/horst-ncurses6w.patch
new file mode 100644
index 0000000..139673d
--- /dev/null
+++ b/horst-ncurses6w.patch
@@ -0,0 +1,60 @@
+Index: horst-5.1/Makefile
+===================================================================
+--- horst-5.1.orig/Makefile
++++ horst-5.1/Makefile
+@@ -54,8 +54,8 @@ OBJS=						   \
+ 	radiotap/radiotap.o			   \
+ 	util.o					   \
+ 	wlan_util.o
+-LIBS=-lncurses -lm
+-CFLAGS+=-std=gnu99 -Wall -Wextra -g -I. -DVERSION=\"$(VERSION)\"
++LIBS= $(shell pkg-config --libs ncursesw) -lm
++CFLAGS+=-Wall -Wextra -fvisibility=hidden -g -I. -DVERSION=\"$(VERSION)\" $(shell pkg-config --cflags ncursesw) -D_GNU_SOURCE
+ 
+ ifeq ($(OSX),1)
+     PCAP=1
+Index: horst-5.1/display.c
+===================================================================
+--- horst-5.1.orig/display.c
++++ horst-5.1/display.c
+@@ -162,9 +162,7 @@ static void resize_display_all(void)
+ 	ioctl(0, TIOCGWINSZ, &winsz);	/* ioctl on STDIN */
+ 	if (winsz.ws_col && winsz.ws_row)
+ 		resizeterm(winsz.ws_row, winsz.ws_col);
+-	COLS = winsz.ws_col;
+-	LINES = winsz.ws_row;
+-
++/* resizeterm() updates COLS and LINES */
+ 	resize_display_main();
+ 
+ 	if (show_win)
+@@ -432,7 +430,7 @@ void init_display(void)
+ 	curs_set(0);	/* don't show cursor */
+ 	noecho();
+ 	nodelay(stdscr, TRUE);
+-	ESCDELAY = 25;	/* we don't use ESC sequences */
++	set_escdelay(25);	/* we don't use ESC sequences */
+ 
+ 	init_pair(1, COLOR_WHITE, COLOR_BLACK);
+ 	init_pair(2, COLOR_GREEN, COLOR_BLACK);
+Index: horst-5.1/main.c
+===================================================================
+--- horst-5.1.orig/main.c
++++ horst-5.1/main.c
+@@ -28,6 +28,7 @@
+ #include <err.h>
+ #include <sys/socket.h>
+ #include <net/if.h>
++#include <locale.h>
+ 
+ #include "main.h"
+ #include "util.h"
+@@ -621,6 +622,8 @@ int main(int argc, char** argv)
+ 	struct sigaction sigint_action;
+ 	struct sigaction sigpipe_action;
+ 
++    setlocale(LC_ALL, "");
++
+ 	list_head_init(&essids.list);
+ 	list_head_init(&nodes);
+ 	init_spectrum();
diff --git a/horst.changes b/horst.changes
index ad20e4a..d5cfd69 100644
--- a/horst.changes
+++ b/horst.changes
@@ -1,3 +1,15 @@
+-------------------------------------------------------------------
+Fri Nov 16 14:43:09 UTC 2018 - Cristian Rodríguez <crrodriguez@opensuse.org>
+
+- horst-ncurses6w.patch: Must call setlocale too. 
+
+-------------------------------------------------------------------
+Fri Nov 16 13:28:49 UTC 2018 - Cristian Rodríguez <crrodriguez@opensuse.org>
+
+- horst-ncurses6w.patch: switch to ncurses6w. 
+- Only modify __DATE__ and __TIME__ in sources if no 
+  SOURCE_DATE_EPOCH is set in the environment.
+
 -------------------------------------------------------------------
 Mon Apr  2 21:07:44 UTC 2018 - jengelh@inai.de
 
diff --git a/horst.spec b/horst.spec
index 801991e..83817b2 100644
--- a/horst.spec
+++ b/horst.spec
@@ -13,7 +13,7 @@
 # license that conforms to the Open Source Definition (Version 1.9)
 # published by the Open Source Initiative.
 
-# Please submit bugfixes or comments via http://bugs.opensuse.org/
+# Please submit bugfixes or comments via https://bugs.opensuse.org/
 #
 
 
@@ -21,7 +21,7 @@ Name:           horst
 Version:        5.1
 Release:        0
 Summary:        IEEE 802.11 wireless LAN analyzer
-License:        GPL-2.0
+License:        GPL-2.0-only
 Group:          Productivity/Networking/Diagnostic
 URL:            http://br1.einfach.org/tech/horst/
 Source:         https://github.com/br101/horst/archive/v%{version}.tar.gz#/%{name}-%{version}.tar.gz
@@ -29,11 +29,8 @@ BuildRequires:  pkgconfig
 BuildRequires:  pkgconfig(libnl-3.0)
 BuildRequires:  pkgconfig(libnl-genl-3.0)
 Recommends:     iw
-%if 0%{?suse_version} < 1500
-BuildRequires:  ncurses-devel
-%else
-BuildRequires:  ncurses5-devel
-%endif
+BuildRequires:  pkgconfig(ncursesw)
+Patch0:         horst-ncurses6w.patch
 
 %description
 horst is an IEEE 802.11 WLAN analyzer with a text interface. Its
@@ -45,16 +42,17 @@ mesh networks.
 
 %prep
 %setup -q
-
+%patch0 -p1
+if [ -z "$SOURCE_DATE_EPOCH" ]; then
 # Remove build time references so build-compare can do its work
 FAKE_BUILDDATE=$(LC_ALL=C date -u -r %{_sourcedir}/%{name}.changes '+%%b %%e %%Y')
 FAKE_BUILDTIME=$(LC_ALL=C date -u -r %{_sourcedir}/%{name}.changes '+%%H:%%M:%%S')
 sed -i "s/__DATE__/\"$FAKE_BUILDDATE\"/" *.c
 sed -i "s/__TIME__/\"$FAKE_BUILDTIME\"/" *.c
+fi
 
 %build
-export CFLAGS="%{optflags} `ncursesw5-config --cflags`"
-export LDFLAGS="`ncursesw5-config --libs`"
+export CFLAGS="%{optflags}"
 make %{?_smp_mflags}
 
 %install