--- loncom/homework/grades.pm	2011/09/17 19:01:20	1.650
+++ loncom/homework/grades.pm	2011/09/22 23:03:09	1.651
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Grading handler
 #
-# $Id: grades.pm,v 1.650 2011/09/17 19:01:20 raeburn Exp $
+# $Id: grades.pm,v 1.651 2011/09/22 23:03:09 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -2864,7 +2864,7 @@ sub handback_files {
     foreach my $part_response_id (@part_response_id) {
     	my ($part_id,$resp_id) = @{ $part_response_id };
 	my $part_resp = join('_',@{ $part_response_id });
-            if (($env{'form.'.$newflg.'_'.$part_resp.'_returndoc1'}) && ($new_part == $part_id)) {
+            if (($env{'form.'.$newflg.'_'.$part_resp.'_returndoc1'}) && ($new_part eq $part_id)) {
                 # if multiple files are uploaded names will be 'returndoc2','returndoc3'
                 my $file_counter = 1;
 		my $file_msg;