diff --git a/lib/Doctrine/ORM/Tools/EntityGenerator.php b/lib/Doctrine/ORM/Tools/EntityGenerator.php
index 28acc40a4a6..495be60e934 100644
--- a/lib/Doctrine/ORM/Tools/EntityGenerator.php
+++ b/lib/Doctrine/ORM/Tools/EntityGenerator.php
@@ -189,6 +189,8 @@ public function writeEntityClass(ClassMetadataInfo $metadata, $outputDirectory)
 
         if ( ! $this->_isNew) {
             $this->_parseTokensInEntityFile(file_get_contents($path));
+        } else {
+            $this->_staticReflection[$metadata->name] = array('properties' => array(), 'methods' => array());
         }
 
         if ($this->_backupExisting && file_exists($path)) {
@@ -1061,4 +1063,4 @@ private function _getIdGeneratorTypeString($type)
                 throw new \InvalidArgumentException('Invalid provided IdGeneratorType: ' . $type);
         }
     }
-}
\ No newline at end of file
+}