diff --git a/modules/libdata.php b/modules/libdata.php
index 399759e..35a2a68 100644
--- a/modules/libdata.php
+++ b/modules/libdata.php
@@ -21,17 +21,17 @@ function getRoutesOfLine($line){
     return $tmp;
 }
 
-function getRoutesByStop($stopId){
+function getRoutesByStop($stopId,$direction){
     global $routes;
-    $tmp = array();
+    $res = array();
     foreach ($routes as $route){
-        foreach ($route['stops'] as $stop){
+        foreach ($route['stops'][$direction] as $stop){
             if ($stop == $stopId){
-                array_push($tmp, $route);
+                array_push($res, $route["id"]);
             }
         }
     }
-    return $tmp;
+    return $res;
 }
 
 function isValidRoute($id){