--- loncom/loncron	2018/08/08 11:49:48	1.108
+++ loncom/loncron	2018/10/25 02:48:56	1.109
@@ -2,7 +2,7 @@
 
 # Housekeeping program, started by cron, loncontrol and loncron.pl
 #
-# $Id: loncron,v 1.108 2018/08/08 11:49:48 raeburn Exp $
+# $Id: loncron,v 1.109 2018/10/25 02:48:56 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1057,8 +1057,8 @@ sub reset_nosslverify_pids {
                             if ($sslrem{$host}) {
                                 if (ref($pids_by_host{$host}) eq 'HASH') {
                                     if (ref($pids_by_host{$host}{'insecure'}) eq 'HASH') {
-                                        if (keys($pids_by_host{$host}{'insecure'})) {
-                                            foreach my $pid (keys($pids_by_host{$host}{'insecure'})) {
+                                        if (keys(%{$pids_by_host{$host}{'insecure'}})) {
+                                            foreach my $pid (keys(%{$pids_by_host{$host}{'insecure'}})) {
                                                 if (open(PIPE,"ps -o ppid= -p $pid |")) {
                                                     my $ppid = <PIPE>;
                                                     chomp($ppid);