diff --git a/sqlalchemy_utils/types/choice.py b/sqlalchemy_utils/types/choice.py
index 89168a3..c901490 100644
--- a/sqlalchemy_utils/types/choice.py
+++ b/sqlalchemy_utils/types/choice.py
@@ -129,7 +129,7 @@ class ChoiceType(types.TypeDecorator, ScalarCoercible):
             __tablename__ = 'user'
             id = sa.Column(sa.Integer, primary_key=True)
             name = sa.Column(sa.Unicode(255))
-            type = sa.Column(ChoiceType(TYPES))
+            type = sa.Column(ChoiceType(UserType, impl=sa.Integer()))
 
 
         user = User(type=UserType.admin)