diff --git a/application/controllers/Api.php b/application/controllers/Api.php
index 422dfc55c..cfd70623f 100644
--- a/application/controllers/Api.php
+++ b/application/controllers/Api.php
@@ -128,7 +128,7 @@ class API extends CI_Controller {
 		}
 	}
 
-	function station_info($key) {
+	function station_info($key = '') {
 		$this->load->model('api_model');
 		$this->load->model('stations');
 		header("Content-type: application/json");