diff --git a/src/test/ldap/t/001_auth.pl b/src/test/ldap/t/001_auth.pl
index e73e5401890..692e42c78e2 100644
--- a/src/test/ldap/t/001_auth.pl
+++ b/src/test/ldap/t/001_auth.pl
@@ -68,6 +68,7 @@ include $ldap_schema_dir/inetorgperson.schema
 
 pidfile $slapd_pidfile
 logfile $slapd_logfile
+logfile-only on
 
 access to *
         by * read