diff --git a/tests/data/slapd-syncrepl-slave-refresh1.conf b/tests/data/slapd-syncrepl-slave-refresh1.conf
index a6f7ecb2bf..b5873c5bd2 100644
--- a/tests/data/slapd-syncrepl-slave-refresh1.conf
+++ b/tests/data/slapd-syncrepl-slave-refresh1.conf
@@ -61,7 +61,7 @@ syncrepl rid=1
 		 interval=00:00:00:10
 
 overlay syncprov
-#syncprov-sessionlog 100
+syncprov-sessionlog 100