diff --git a/onyx2/include/Class/Donnees/spatial.php b/onyx2/include/Class/Donnees/spatial.php
index c03e2af..56c772b 100644
--- a/onyx2/include/Class/Donnees/spatial.php
+++ b/onyx2/include/Class/Donnees/spatial.php
@@ -586,10 +586,10 @@ class dSpatial implements Donnees
 
 
 
-    public static function needed($id, surface $planete, $print = false, $race = NULL)
+    public static function needed($id, surface $planete, $print = false, $race = null)
     {
-        if ($race == NULL) {
-          $race = $planete->race;
+        if ($race == null) {
+            $race = $planete->race;
         }
         if ($race == "humain") {
             $neededSpatial =
diff --git a/onyx2/include/Class/Donnees/terrestre.php b/onyx2/include/Class/Donnees/terrestre.php
index dff3764..005413e 100644
--- a/onyx2/include/Class/Donnees/terrestre.php
+++ b/onyx2/include/Class/Donnees/terrestre.php
@@ -621,10 +621,10 @@ class dTerrestre implements Donnees
     }
 
 
-    public static function needed($id, surface $planete, $print = false, $race = NULL)
+    public static function needed($id, surface $planete, $print = false, $race = null)
     {
-        if ($race == NULL) {
-          $race = $planete->race;
+        if ($race == null) {
+            $race = $planete->race;
         }
         if ($race == "humain") {
             $neededTerrestre = array(