diff --git a/koreader-base b/koreader-base
index 79bff5f6a..2542686fb 160000
--- a/koreader-base
+++ b/koreader-base
@@ -1 +1 @@
-Subproject commit 79bff5f6ab9a23e1b2a4fce064d7c0325a1743fe
+Subproject commit 2542686fb9be45dffae9893ed484a2fb1b22fedc