Index: includes/comment.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/project_issue/includes/comment.inc,v
retrieving revision 1.155
diff -u -r1.155 comment.inc
--- includes/comment.inc	23 Sep 2009 00:27:05 -0000	1.155
+++ includes/comment.inc	8 Jan 2010 20:07:04 -0000
@@ -434,7 +434,7 @@
       $rows[] = theme('project_issue_comment_table_row', $field, $change);
     }
   }
-  return theme('table', array(), $rows);
+  return $rows ? theme('table', array(), $rows) : '';
 }
 
 /**