diff --git a/koreader-base b/koreader-base
index ba444ce10..c5ac9c236 160000
--- a/koreader-base
+++ b/koreader-base
@@ -1 +1 @@
-Subproject commit ba444ce10696d47552af98c8529c4b5f1a0bc74b
+Subproject commit c5ac9c236b0f2a66ba34cbf506fd5e9376658bb1