diff --git a/retroarch-config.patch b/retroarch-config.patch
index 564cfb0..c995bd2 100644
--- a/retroarch-config.patch
+++ b/retroarch-config.patch
@@ -1,6 +1,6 @@
 diff -rub retroarch.orig/retroarch.cfg retroarch/retroarch.cfg
 --- retroarch.orig/retroarch.cfg	2019-09-22 11:58:01.000000000 +0300
-+++ retroarch/retroarch.cfg	2019-09-30 01:41:33.205860011 +0300
++++ retroarch/retroarch.cfg	2019-09-30 15:00:40.418135606 +0300
 @@ -639,10 +639,10 @@
  #### Menu
  
@@ -14,15 +14,7 @@ diff -rub retroarch.orig/retroarch.cfg retroarch/retroarch.cfg
  
  # If disabled, the libretro core will keep running in the background when we
  # are in the menu.
-@@ -764,14 +764,14 @@
- 
- # Sets the System/BIOS directory.
- # Implementations can query for this directory to load BIOSes, system-specific configs, etc.
--# system_directory =
-+system_directory = /usr/share/libretro/system
- 
- # Save all downloaded files to this directory.
- # core_assets_directory =
+@@ -771,7 +771,7 @@
  
  # Assets directory. This location is queried by default when menu interfaces try to look for
  # loadable assets, etc.
diff --git a/retroarch.changes b/retroarch.changes
index c18286c..29e9f72 100644
--- a/retroarch.changes
+++ b/retroarch.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Mon Sep 30 12:01:54 UTC 2019 - Yunhe Guo <i@guoyunhe.me>
+
+- Update retroarch-config.patch
+  * Revert system_directory to default. It must be a writable location
+    for some cores. Otherwise, games cannot be loaded.
+
 -------------------------------------------------------------------
 Tue Sep 24 15:32:31 UTC 2019 - Yunhe Guo <i@guoyunhe.me>