diff --git a/htdocs/core/class/html.formfile.class.php b/htdocs/core/class/html.formfile.class.php
index 4a59e28f044..d47b846ba02 100644
--- a/htdocs/core/class/html.formfile.class.php
+++ b/htdocs/core/class/html.formfile.class.php
@@ -1162,7 +1162,7 @@ class FormFile
 					print '<!-- Line list_of_documents '.$key.' relativepath = '.$relativepath.' -->'."\n";
 					// Do we have entry into database ?
 					print '<!-- In database: position='.$filearray[$key]['position'].' -->'."\n";
-					print '<tr id="row-'.($filearray[$key]['rowid']>0?$filearray[$key]['rowid']:'-AFTER'.$lastrowid.'POS'.($i+1)).'">';
+					print '<tr class="oddeven" id="row-'.($filearray[$key]['rowid']>0?$filearray[$key]['rowid']:'AFTER'.$lastrowid.'POS'.($i+1)).'">';
 
 					// File name
 					print '<td class="minwith200">';