diff --git a/srcpkgs/fontconfig/patches/01-locale.patch b/srcpkgs/fontconfig/patches/01-locale.patch
new file mode 100644
index 0000000000..cf46d8cb9b
--- /dev/null
+++ b/srcpkgs/fontconfig/patches/01-locale.patch
@@ -0,0 +1,35 @@
+From 923b5be626a6e03fbaeee0b5cd6d0246c2f8f36f Mon Sep 17 00:00:00 2001
+From: Akira TAGOH <akira@tagoh.org>
+Date: Wed, 14 Mar 2018 12:35:05 +0900
+Subject: Do not override locale if already set by app
+
+https://bugs.freedesktop.org/show_bug.cgi?id=105492
+---
+ src/fccfg.c | 7 ++++++-
+ 1 file changed, 6 insertions(+), 1 deletion(-)
+
+diff --git a/src/fccfg.c b/src/fccfg.c
+index eb0b76d..e311f17 100644
+--- src/fccfg.c
++++ src/fccfg.c
+@@ -45,11 +45,16 @@ retry_locale:
+     is_locale_initialized = (intptr_t) fc_atomic_ptr_get (&static_is_locale_initialized);
+     if (!is_locale_initialized)
+     {
++	char *loc;
++
+ 	is_locale_initialized = FcTrue;
+ 	if (!fc_atomic_ptr_cmpexch (&static_is_locale_initialized, NULL,
+ 				    (void *)(intptr_t) is_locale_initialized))
+ 	    goto retry_locale;
+-	setlocale (LC_ALL, "");
++
++	loc = setlocale (LC_ALL, NULL);
++	if (!loc || strcmp (loc, "C") == 0)
++	    setlocale (LC_ALL, "");
+     }
+ retry_config:
+     config = fc_atomic_ptr_get (&_fcConfig);
+-- 
+cgit v1.1
+
diff --git a/srcpkgs/fontconfig/patches/02-locale.patch b/srcpkgs/fontconfig/patches/02-locale.patch
new file mode 100644
index 0000000000..e244a96889
--- /dev/null
+++ b/srcpkgs/fontconfig/patches/02-locale.patch
@@ -0,0 +1,81 @@
+From 98eaef69af1350e459bf9c175476d3b772968874 Mon Sep 17 00:00:00 2001
+From: Akira TAGOH <akira@tagoh.org>
+Date: Thu, 15 Mar 2018 12:17:52 +0900
+Subject: Leave the locale setting to applications
+
+https://bugs.freedesktop.org/show_bug.cgi?id=105492
+---
+ fc-conflist/fc-conflist.c |  2 ++
+ src/fccfg.c               | 22 ++--------------------
+ 2 files changed, 4 insertions(+), 20 deletions(-)
+
+diff --git a/fc-conflist/fc-conflist.c b/fc-conflist/fc-conflist.c
+index d02273b..5c40a0f 100644
+--- fc-conflist/fc-conflist.c
++++ fc-conflist/fc-conflist.c
+@@ -38,6 +38,7 @@
+ #include <unistd.h>
+ #include <stdlib.h>
+ #include <string.h>
++#include <locale.h>
+ 
+ #ifdef ENABLE_NLS
+ #include <libintl.h>
+@@ -102,6 +103,7 @@ main (int argc, char **argv)
+ #if HAVE_GETOPT_LONG || HAVE_GETOPT
+     int		c;
+ 
++    setlocale (LC_ALL, "");
+ #if HAVE_GETOPT_LONG
+     while ((c = getopt_long (argc, argv, "Vh", longopts, NULL)) != -1)
+ #else
+diff --git a/src/fccfg.c b/src/fccfg.c
+index e311f17..e35c451 100644
+--- src/fccfg.c
++++ src/fccfg.c
+@@ -26,7 +26,6 @@
+ 
+ #include "fcint.h"
+ #include <dirent.h>
+-#include <locale.h>
+ #include <sys/types.h>
+ 
+ #if defined (_WIN32) && !defined (R_OK)
+@@ -39,24 +38,7 @@ static FcConfig *
+ FcConfigEnsure (void)
+ {
+     FcConfig	*config;
+-    FcBool	is_locale_initialized;
+-    static void *static_is_locale_initialized;
+-retry_locale:
+-    is_locale_initialized = (intptr_t) fc_atomic_ptr_get (&static_is_locale_initialized);
+-    if (!is_locale_initialized)
+-    {
+-	char *loc;
+-
+-	is_locale_initialized = FcTrue;
+-	if (!fc_atomic_ptr_cmpexch (&static_is_locale_initialized, NULL,
+-				    (void *)(intptr_t) is_locale_initialized))
+-	    goto retry_locale;
+-
+-	loc = setlocale (LC_ALL, NULL);
+-	if (!loc || strcmp (loc, "C") == 0)
+-	    setlocale (LC_ALL, "");
+-    }
+-retry_config:
++retry:
+     config = fc_atomic_ptr_get (&_fcConfig);
+     if (!config)
+     {
+@@ -64,7 +46,7 @@ retry_config:
+ 
+ 	if (!fc_atomic_ptr_cmpexch (&_fcConfig, NULL, config)) {
+ 	    FcConfigDestroy (config);
+-	    goto retry_config;
++	    goto retry;
+ 	}
+     }
+     return config;
+-- 
+cgit v1.1
+
diff --git a/srcpkgs/fontconfig/template b/srcpkgs/fontconfig/template
index a792542b20..e969026bfc 100644
--- a/srcpkgs/fontconfig/template
+++ b/srcpkgs/fontconfig/template
@@ -1,7 +1,7 @@
 # Template build file for 'fontconfig'.
 pkgname=fontconfig
 version=2.13.0
-revision=1
+revision=2
 build_style=gnu-configure
 configure_args="--disable-static --enable-docs --with-cache-dir=/var/cache/$pkgname"
 hostmakedepends="gperf pkg-config"