diff --git a/irssi-0.8.16-format-security.patch b/irssi-0.8.16-format-security.patch
new file mode 100644
index 0000000..34fca6c
--- /dev/null
+++ b/irssi-0.8.16-format-security.patch
@@ -0,0 +1,22 @@
+diff --git a/src/core/network.c b/src/core/network.c
+index d7c1017..5954d1f 100644
+--- a/src/core/network.c
++++ b/src/core/network.c
+@@ -356,7 +356,7 @@ int net_receive(GIOChannel *handle, char *buf, int len)
+ 
+ 	status = g_io_channel_read_chars(handle, buf, len, &ret, &err);
+ 	if (err != NULL) {
+-	        g_warning(err->message);
++	        g_warning("%s", err->message);
+ 	        g_error_free(err);
+ 	}
+ 	if (status == G_IO_STATUS_ERROR || status == G_IO_STATUS_EOF)
+@@ -377,7 +377,7 @@ int net_transmit(GIOChannel *handle, const char *data, int len)
+ 
+ 	status = g_io_channel_write_chars(handle, (char *) data, len, &ret, &err);
+ 	if (err != NULL) {
+-	        g_warning(err->message);
++	        g_warning("%s", err->message);
+ 	        g_error_free(err);
+ 	}
+ 	if (status == G_IO_STATUS_ERROR)
diff --git a/irssi.spec b/irssi.spec
index bd4fb34..4084869 100644
--- a/irssi.spec
+++ b/irssi.spec
@@ -5,7 +5,7 @@
 Summary:	Modular text mode IRC client with Perl scripting
 Name:		irssi
 Version:	0.8.16
-Release:	0.1%{?pretag:.%{pretag}}%{?dist}
+Release:	0.2%{?pretag:.%{pretag}}%{?dist}
 
 License:	GPLv2+
 Group:		Applications/Communications
@@ -14,6 +14,7 @@ Source0:	http://irssi.org/files/irssi-%{version}%{?pretag:-%{pretag}}.tar.bz2
 Source1:	irssi-config.h
 Patch0:		irssi-0.8.15-no-static-unload.patch
 Patch1:		irssi-0.8.15-man-fix.patch
+Patch2:		irssi-0.8.16-format-security.patch
 BuildRoot:	%{_tmppath}/%{name}-%{version}-%{release}-buildroot
 BuildRequires:	ncurses-devel openssl-devel zlib-devel
 BuildRequires:	pkgconfig glib2-devel perl-devel perl(ExtUtils::Embed)
@@ -42,6 +43,7 @@ being maintained.
 %setup -q -n %{name}-%{version}%{?pretag:-%{?pretag}}
 %patch0 -p1 -b .no-static-unload
 %patch1 -p1 -b .man-fix
+%patch2 -p1 -b .format-security
 
 %build
 autoreconf -i
@@ -92,6 +94,10 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Wed Dec  4 2013 Jaroslav Škarvada <jskarvad@redhat.com> - 0.8.16-0.2rc1:.%{pretag}}%{?dist}
+- Fixed compilation with -Werror=format-security
+  Resolves: rhbz#1037139
+
 * Mon Sep 16 2013 Jaroslav Škarvada <jskarvad@redhat.com> - 0.8.16-0.1.rc1
 - New version
 - Dropped init-resize-crash-fix (upstreamed)