diff --git a/tests/data/slapd.conf b/tests/data/slapd.conf
index 66c61cc579..868fc00e73 100644
--- a/tests/data/slapd.conf
+++ b/tests/data/slapd.conf
@@ -29,3 +29,4 @@ rootpw		secret
 #bdb#index		objectclass	eq
 #bdb#index		uid	pres,eq,sub
 #bdb#index		name	pres,eq,sub,subany
+#bdb#lockdetect default 5