diff --git a/src/Bundle/ChillMainBundle/Doctrine/Model/Point.php b/src/Bundle/ChillMainBundle/Doctrine/Model/Point.php
index d987637ce..67cf434c0 100644
--- a/src/Bundle/ChillMainBundle/Doctrine/Model/Point.php
+++ b/src/Bundle/ChillMainBundle/Doctrine/Model/Point.php
@@ -56,7 +56,7 @@ class Point implements JsonSerializable {
     {
         $a = json_decode($geojson);
         //check if the geojson string is correct
-        if ($a == null or !isset($a->type) or !isset($a->coordinates)){
+        if (NULL === $a or !isset($a->type) or !isset($a->coordinates)){
             throw PointException::badJsonString($geojson);
         }