diff --git a/fix_for_printw_error.patch b/fix_for_printw_error.patch
new file mode 100644
index 0000000000000000000000000000000000000000..27c94ba55e675b011997a9ffa070614ad6830798
--- /dev/null
+++ b/fix_for_printw_error.patch
@@ -0,0 +1,48 @@
+diff -uNr mtr-0.94.orig/ui/curses.c mtr-0.94/ui/curses.c
+--- mtr-0.94.orig/ui/curses.c	2020-09-24 16:26:14.000000000 +0800
++++ mtr-0.94/ui/curses.c	2022-03-10 15:35:51.374026715 +0800
+@@ -432,7 +432,7 @@
+                 attron(A_BOLD);
+ #ifdef HAVE_IPINFO
+             if (is_printii(ctl))
+-                printw(fmt_ipinfo(ctl, addr));
++                printw("%s", fmt_ipinfo(ctl, addr));
+ #endif
+             if (name != NULL) {
+                 if (ctl->show_ips)
+@@ -485,7 +485,7 @@
+                 printw("\n    ");
+ #ifdef HAVE_IPINFO
+                 if (is_printii(ctl))
+-                    printw(fmt_ipinfo(ctl, addrs));
++                    printw("%s", fmt_ipinfo(ctl, addrs));
+ #endif
+                 if (name != NULL) {
+                     if (ctl->show_ips)
+@@ -650,7 +650,7 @@
+ 
+ #ifdef HAVE_IPINFO
+             if (is_printii(ctl))
+-                printw(fmt_ipinfo(ctl, addr));
++                printw("%s", fmt_ipinfo(ctl, addr));
+ #endif
+             name = dns_lookup(ctl, addr);
+             printw("%s", name ? name : strlongip(ctl, addr));
+@@ -700,7 +700,7 @@
+ 
+     mvprintw(1, 0, "%s (%s) -> %s", ctl->LocalHostname, net_localaddr(), ctl->Hostname);
+     t = time(NULL);
+-    mvprintw(1, maxx - 25, iso_time(&t));
++    mvprintw(1, maxx - 25, "%s", iso_time(&t));
+     printw("\n");
+ 
+     printw("Keys:  ");
+@@ -760,7 +760,7 @@
+         startstat = padding - 2;
+ 
+         snprintf(msg, sizeof(msg), " Last %3d pings", max_cols);
+-        mvprintw(rowstat - 1, startstat, msg);
++        mvprintw(rowstat - 1, startstat, "%s", msg);
+ 
+         attroff(A_BOLD);
+         move(rowstat, 0);
diff --git a/mtr.spec b/mtr.spec
index fd19c2f91859c312823cd868cb8b11d426a85cbb..f754fd7a29cc4facd49a5d9de8f8518ba8088bc7 100644
--- a/mtr.spec
+++ b/mtr.spec
@@ -2,7 +2,7 @@
 
 Name:          mtr
 Version:       0.94
-Release:       2
+Release:       3
 Epoch:         2
 Summary:       Ping and Traceroute Network Diagnostic Tool
 License:       GPLv2 and BSD
@@ -10,7 +10,7 @@ URL:           https://www.bitwizard.nl/mtr/
 Source0:       https://github.com/traviscross/mtr/archive/v%{version}/%{name}-%{version}.tar.gz
 Source1:       net-x%{name}.desktop
 Source2:       mtr-gtk-pkexec-wrapper.sh
-
+Patch0:       fix_for_printw_error.patch
 BuildRequires: git autoconf automake libtool ncurses-devel gtk2-devel desktop-file-utils
 
 Provides:       %{name}-gtk = %{epoch}:%{version}-%{release}
@@ -25,7 +25,7 @@ and percentage for all network hops between the systems.
 %package_help
 
 %prep
-%autosetup -n %{name}-%{version}
+%autosetup -n %{name}-%{version} -p1
 
 %build
 export CFLAGS="%{optflags} -fPIE"
@@ -68,6 +68,9 @@ make test
 %{_mandir}/man8/*
 
 %changelog
+* Fri Mar 11 2022 lin.zhang <lin.zhang@turbolinux.com.cn> - 0.94-3
+- add patch fix_for_printw_error.patch
+
 * Wed Mar 3 2021 lin.zhang <lin.zhang@turbolinux.com.cn> - 0.94-2
 - modify net-xmtr.desktop file for Xfce4 Traceroute