diff --git a/koreader-base b/koreader-base
index a6bdb7cd7..2ba492e57 160000
--- a/koreader-base
+++ b/koreader-base
@@ -1 +1 @@
-Subproject commit a6bdb7cd75fa58d5073b522aa4d8de7a3273c68b
+Subproject commit 2ba492e57d7ae1924f4de9c94b65f70b982ff527