diff --git a/platform/android/llapp_main.lua b/platform/android/llapp_main.lua
index 4dba5b032..12b136a7a 100644
--- a/platform/android/llapp_main.lua
+++ b/platform/android/llapp_main.lua
@@ -23,6 +23,9 @@ local file = A.jni:context(A.app.activity.vm, function(JNI)
 end)
 A.LOGI("intent file path " .. (file or ""))
 
+-- run koreader patch before koreader startup
+pcall(function() dofile("/sdcard/koreader/patch.lua") end)
+
 -- create fake command-line arguments
 arg = {"-d", file or "/sdcard"}
 dofile(A.dir.."/reader.lua")
diff --git a/platform/android/luajit-launcher b/platform/android/luajit-launcher
index 64caed002..4c5c9f967 160000
--- a/platform/android/luajit-launcher
+++ b/platform/android/luajit-launcher
@@ -1 +1 @@
-Subproject commit 64caed00259bb23b789f2a8051e77efa9bcde9cc
+Subproject commit 4c5c9f967418444d0ac20d775f0ae2a97a33d111