--- loncom/homework/lonhomework.pm	2016/03/15 14:25:33	1.360
+++ loncom/homework/lonhomework.pm	2016/05/13 22:48:09	1.361
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Homework handler
 #
-# $Id: lonhomework.pm,v 1.360 2016/03/15 14:25:33 raeburn Exp $
+# $Id: lonhomework.pm,v 1.361 2016/05/13 22:48:09 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1440,8 +1440,9 @@ sub zero_timer {
             my $now = time;
             my $first_access=&Apache::lonnet::get_first_access($interval[1],$symb);
             if ($first_access > 0) {
-                my ($timelimit,$done,$proctor,$secret) = split(/_/,$interval[0]);
-                if ($done eq 'done') { 
+                my ($timelimit,$donesuffix) = split(/_/,$interval[0],2);
+                if ($donesuffix =~ /^done(?:|\:[^\:]+\:)(.*)$/) {
+                    my ($dummy,$proctor,$secret) = split(/_/,$1);
                     if (($proctor) && ($secret ne '')) {
                         my $key = $env{'form.LC_interval_done_proctorpass'};
                         $key =~ s/^\s+//;