diff --git a/reports/guided_reports.pl b/reports/guided_reports.pl
index ad1ba6f2b8..4dc3911a75 100755
--- a/reports/guided_reports.pl
+++ b/reports/guided_reports.pl
@@ -382,7 +382,7 @@ elsif ($phase eq 'Run this report'){
 }	
 
 elsif ($phase eq 'Export'){
-    binmode STDOUT, ':utf8';
+    #binmode STDOUT, ':utf8'; #bug 4512
 
     # export results to tab separated text or CSV
     my $sql    = $input->param('sql');  # FIXME: use sql from saved report ID#, not new user-supplied SQL!