diff --git a/koreader-base b/koreader-base
index 141b9c07f..21a34af0d 160000
--- a/koreader-base
+++ b/koreader-base
@@ -1 +1 @@
-Subproject commit 141b9c07f60e1d8a4056c6b301e9069022603ae4
+Subproject commit 21a34af0dfd45d2ee341bf2181aa3efaeb005754