diff --git a/htdocs/core/class/html.formother.class.php b/htdocs/core/class/html.formother.class.php
index 3664424764d..91aa74466d4 100644
--- a/htdocs/core/class/html.formother.class.php
+++ b/htdocs/core/class/html.formother.class.php
@@ -579,7 +579,7 @@ class FormOther
                     {
                         print "   ";
                     }
-                    print $lines[$i]->label."</option>\n";
+                    print $lines[$i]->ref.'-'.$lines[$i]->label."</option>\n";
                     $inc++;
                 }