diff --git a/lib/Doctrine/ORM/Tools/EntityGenerator.php b/lib/Doctrine/ORM/Tools/EntityGenerator.php
index 1ba44ba63..977cc0f95 100644
--- a/lib/Doctrine/ORM/Tools/EntityGenerator.php
+++ b/lib/Doctrine/ORM/Tools/EntityGenerator.php
@@ -1213,7 +1213,7 @@ public function __construct()
         $lines = explode("\n", $code);
 
         foreach ($lines as $key => $value) {
-            if (!empty($value)) {
+            if ( ! empty($value)) {
                 $lines[$key] = str_repeat($this->spaces, $num) . $lines[$key];
             }
         }