diff --git a/koreader-base b/koreader-base
index dc61f9e2c..552bf5c00 160000
--- a/koreader-base
+++ b/koreader-base
@@ -1 +1 @@
-Subproject commit dc61f9e2cabafed25ae7fbb3f0b13122c6074400
+Subproject commit 552bf5c0074921c60910d6fd8ba8e8c5b855e877