diff --git a/servers/slapd/back-mdb/libmdb b/servers/slapd/back-mdb/libmdb
index 7a48f12cbb..c285dae43f 160000
--- a/servers/slapd/back-mdb/libmdb
+++ b/servers/slapd/back-mdb/libmdb
@@ -1 +1 @@
-Subproject commit 7a48f12cbbbca1c5781148196e6c621bc776f602
+Subproject commit c285dae43f908b39f5b2142e0ea105d689d28483