diff --git a/source/script/tests/Samba4.pm b/source/script/tests/Samba4.pm
index 9f8f88c6f35..0f2583021cf 100644
--- a/source/script/tests/Samba4.pm
+++ b/source/script/tests/Samba4.pm
@@ -26,7 +26,7 @@ sub openldap_start($$$) {
         my ($slapd_conf, $uri, $logs) = @_;
         my $oldpath = $ENV{PATH};
         $ENV{PATH} = "/usr/local/sbin:/usr/sbin:/sbin:$ENV{PATH}";
-        system("slapd -d -f $slapd_conf -h $uri > $logs 2>&1 &");
+        system("slapd -d0 -f $slapd_conf -h $uri > $logs 2>&1 &");
         $ENV{PATH} = $oldpath;
 }