diff --git a/shared-mime-info-1.2-PKGSYSTEM_FSYNC.patch b/shared-mime-info-1.2-PKGSYSTEM_FSYNC.patch
new file mode 100644
index 0000000..e1a275c
--- /dev/null
+++ b/shared-mime-info-1.2-PKGSYSTEM_FSYNC.patch
@@ -0,0 +1,19 @@
+diff -up shared-mime-info-1.2/update-mime-database.c.PKGSYSTEM_FSYNC shared-mime-info-1.2/update-mime-database.c
+--- shared-mime-info-1.2/update-mime-database.c.PKGSYSTEM_FSYNC	2013-07-09 17:10:53.000000000 -0500
++++ shared-mime-info-1.2/update-mime-database.c	2014-05-21 10:06:54.195566088 -0500
+@@ -951,6 +951,7 @@ static gboolean atomic_update(const gcha
+ 	new_name = g_strndup(pathname, len - 4);
+ 
+ #ifdef HAVE_FDATASYNC
++	if (g_getenv ("PKGSYSTEM_ENABLE_FSYNC")) { 
+ 	fd = open(pathname, O_RDONLY);
+ 	if (fd == -1)
+ 	{
+@@ -967,6 +968,7 @@ static gboolean atomic_update(const gcha
+ 		set_error_from_errno(error);
+ 		goto out;
+ 	}
++	}
+ #endif
+ 
+ #ifdef _WIN32
diff --git a/shared-mime-info.spec b/shared-mime-info.spec
index 96c59a4..e4671d2 100644
--- a/shared-mime-info.spec
+++ b/shared-mime-info.spec
@@ -1,7 +1,7 @@
 Summary: Shared MIME information database
 Name: shared-mime-info
 Version: 1.3
-Release: 2%{?dist}
+Release: 3%{?dist}
 License: GPLv2+
 Group: System Environment/Base
 URL: http://freedesktop.org/Software/shared-mime-info
@@ -20,6 +20,10 @@ Source4: shotwell-viewer-defaults.list
 # Work-around for https://bugs.freedesktop.org/show_bug.cgi?id=40354
 Patch0: 0001-Remove-sub-classing-from-OO.o-mime-types.patch
 
+# support PKGSYSTEM_ENABLE_FSYNC
+# https://bugs.freedesktop.org/show_bug.cgi?id=70366#c19
+Patch1: shared-mime-info-1.2-PKGSYSTEM_FSYNC.patch
+
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 BuildRequires:  libxml2-devel
 BuildRequires:  glib2-devel
@@ -40,6 +44,7 @@ and looking up the correct MIME type in a database.
 %prep
 %setup -q
 %patch0 -p1 -b .ooo-zip
+%patch1 -p1 -b .PKGSYSTEM_FSYNC
 
 %build
 
@@ -87,6 +92,9 @@ rm -rf $RPM_BUILD_ROOT%{_datadir}/locale/*
 %{_mandir}/man*/*
 
 %changelog
+* Wed May 21 2014 Rex Dieter <rdieter@fedoraproject.org> 1.3-3
+- support PKGSYSTEM_ENABLE_FSYNC (#1052173, #fdo70366)
+
 * Tue May 20 2014 Rex Dieter <rdieter@fedoraproject.org> 1.3-2
 - %%configure --disable-silent-rules