diff --git a/sequelize/sequelize-2.0.0.d.ts b/sequelize/sequelize-2.0.0.d.ts
index e2cbdfe48..5565f0e21 100644
--- a/sequelize/sequelize-2.0.0.d.ts
+++ b/sequelize/sequelize-2.0.0.d.ts
@@ -1383,7 +1383,7 @@ declare module "sequelize"
             /**
              * The dialect options that are passed to the underlying dialect library.
              */
-            dialectOptions?: any;
+            dialectOptions?: Object;
 
             /**
              * The host of the relational database. Default 'localhost'.