diff --git a/app/src/Template/Matchgrids/fields.inc b/app/src/Template/Matchgrids/fields.inc
index e4d7afd38..d39a8e65b 100644
--- a/app/src/Template/Matchgrids/fields.inc
+++ b/app/src/Template/Matchgrids/fields.inc
@@ -65,7 +65,7 @@ if($action == 'add' || $action == 'edit') {
   print $this->Field->control('referenceid_start',
                               ['default' => 1001]);
   
-  print $this->Field->control('referenceid-prefix',
+  print $this->Field->control('referenceid_prefix',
                               [],
                               false);
 }