diff --git a/lib/adapters/postgres.js b/lib/adapters/postgres.js
index bbc3d46f..7cbcacd3 100644
--- a/lib/adapters/postgres.js
+++ b/lib/adapters/postgres.js
@@ -274,7 +274,7 @@ PG.prototype.autoupdate = function (cb) {
     var wait = 0;
     Object.keys(this._models).forEach(function (model) {
         wait += 1;
-        self.query('SELECT column_name as Field, udt_name as Type, is_nullable as Null, column_default as Default FROM information_schema.COLUMNS WHERE table_name = \''+ this.table(model) + '\'', function (err, fields) {
+        self.query('SELECT column_name as Field, udt_name as Type, is_nullable as Null, column_default as Default FROM information_schema.COLUMNS WHERE table_name = \''+ self.table(model) + '\'', function (err, fields) {
             self.alterTable(model, fields, done);
         });
     });