--- loncom/homework/grades.pm	2007/11/13 11:06:54	1.490
+++ loncom/homework/grades.pm	2007/11/16 07:55:01	1.491
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Grading handler
 #
-# $Id: grades.pm,v 1.490 2007/11/13 11:06:54 foxr Exp $
+# $Id: grades.pm,v 1.491 2007/11/16 07:55:01 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -6077,7 +6077,10 @@ sub scantron_remove_scan_data {
     }
     my $result;
     if (@todelete) {
-	$result=&Apache::lonnet::del('nohist_scantrondata',\@todelete,$cdom,$cname);
+	$result = &Apache::lonnet::del('nohist_scantrondata',
+				       \@todelete,$cdom,$cname);
+    } else {
+	$result = 'ok';
     }
     return $result;
 }