diff --git a/application/models/Modes.php b/application/models/Modes.php
index 07c34dc3e..5eed3a6e2 100644
--- a/application/models/Modes.php
+++ b/application/models/Modes.php
@@ -40,7 +40,7 @@ class Modes extends CI_Model {
 			}
 			return '('.implode(',', $modes).')';
 		} else {
-			return '()';
+			return "('')";
 		}
 	}