diff --git a/koreader-base b/koreader-base
index 3b5663851..c78c2cd4a 160000
--- a/koreader-base
+++ b/koreader-base
@@ -1 +1 @@
-Subproject commit 3b566385128b722594cde00fa599f035621168fa
+Subproject commit c78c2cd4a8824f855a330ff50b631d554f830120