diff --git a/koreader-base b/koreader-base
index 4e15f4085..acbcbe71d 160000
--- a/koreader-base
+++ b/koreader-base
@@ -1 +1 @@
-Subproject commit 4e15f4085fdb1399944a7bf971d4c25acfd51743
+Subproject commit acbcbe71d2c2086afe1b044edebe98833980d0bf