diff --git a/lib/Doctrine/ORM/Tools/EntityGenerator.php b/lib/Doctrine/ORM/Tools/EntityGenerator.php
index f92cd19c5..39a98f5f1 100644
--- a/lib/Doctrine/ORM/Tools/EntityGenerator.php
+++ b/lib/Doctrine/ORM/Tools/EntityGenerator.php
@@ -154,6 +154,8 @@ class EntityGenerator
         Type::TEXT          => 'string',
         Type::BLOB          => 'string',
         Type::DECIMAL       => 'float',
+        Type::JSON_ARRAY    => 'array',
+        Type::SIMPLE_ARRAY  => 'array',
     );
 
     /**