diff --git a/koreader-base b/koreader-base
index adfd78e69..1b94479ca 160000
--- a/koreader-base
+++ b/koreader-base
@@ -1 +1 @@
-Subproject commit adfd78e69146657566f18fa8815ff0028b1f4e21
+Subproject commit 1b94479ca1878e78542e9d30e9e7b0d7f2521ae2