diff --git a/tbsetup/os_setup.in b/tbsetup/os_setup.in
index 974e0d4a70fc34df5f0d64896780dce72a7b9651..4069a569bed43fbea82bd26bafa8a4d4ae4c6538 100755
--- a/tbsetup/os_setup.in
+++ b/tbsetup/os_setup.in
@@ -698,7 +698,7 @@ if (keys(%geninodes)) {
     if (! $geni_setup_pid) {
 	TBdbfork();	# So we get the event system fork too ...
 
-	if (libGeni::StartSlivers($experiment, $this_user, 0, $dbg)) {
+	if (libGeni::StartSlivers($experiment, $this_user, $dbg)) {
 	    print STDERR "*** Could not start Geni slivers\n";
 	    exit(-1);
 	}