diff -up shared-mime-info-1.3/update-mime-database.c.PKGSYSTEM_FSYNC shared-mime-info-1.3/update-mime-database.c
--- shared-mime-info-1.3/update-mime-database.c.PKGSYSTEM_FSYNC	2014-03-31 09:24:23.000000000 -0500
+++ shared-mime-info-1.3/update-mime-database.c	2014-05-21 12:35:10.695476575 -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_RDWR);
 	if (fd == -1)
 	{
@@ -967,6 +968,7 @@ static gboolean atomic_update(const gcha
 		set_error_from_errno(error);
 		goto out;
 	}
+	}
 #endif
 
 #ifdef _WIN32