diff --git a/koreader-base b/koreader-base
index 85513bf5c..23df0017e 160000
--- a/koreader-base
+++ b/koreader-base
@@ -1 +1 @@
-Subproject commit 85513bf5c00100861a82f6a204a485d791598a1d
+Subproject commit 23df0017e4984abaa97e679ad5569ca43422c6a1