diff --git a/lib/models/index.js b/lib/models/index.js
index d52f550..1156d0f 100644
--- a/lib/models/index.js
+++ b/lib/models/index.js
@@ -13,10 +13,11 @@ var dbconfig = config.db;
 dbconfig.logging = config.debug ? logger.info : false;
 
 var sequelize = null;
-if (dbconfig.hasOwnProperty('username') || dbconfig.hasOwnProperty('password'))
-    sequelize = new Sequelize(dbconfig.database, dbconfig.username, dbconfig.password, dbconfig);
+
+if (process.env.DATABASE_URL)
+    sequelize = new Sequelize(process.env.DATABASE_URL, dbconfig.username, dbconfig.password, dbconfig);
 else
-    sequelize = new Sequelize(dbconfig.database, dbconfig);
+    sequelize = new Sequelize(dbconfig.database, dbconfig.username, dbconfig.password, dbconfig);
 
 var db = {};