diff --git a/koreader-base b/koreader-base
index 6c89c8be5..47ba71a51 160000
--- a/koreader-base
+++ b/koreader-base
@@ -1 +1 @@
-Subproject commit 6c89c8be5da00ed198afc17c8436746136186879
+Subproject commit 47ba71a516dd80ae1df8127276bd89244943bdc7