diff --git a/ihatemoney/migrations/versions/7a9b38559992_new_bill_type_attribute_added.py b/ihatemoney/migrations/versions/7a9b38559992_new_bill_type_attribute_added.py
index 0a4ce577..9b1fc520 100644
--- a/ihatemoney/migrations/versions/7a9b38559992_new_bill_type_attribute_added.py
+++ b/ihatemoney/migrations/versions/7a9b38559992_new_bill_type_attribute_added.py
@@ -16,10 +16,16 @@ from ihatemoney.models import BillType
 
 
 def upgrade():
-    op.add_column("bill", sa.Column("bill_type", sa.Enum(BillType), server_default=BillType.EXPENSE.name))
+    billtype_enum = sa.Enum(BillType)
+    billtype_enum.create(op.get_bind(), checkfirst=True)
+
+    op.add_column("bill", sa.Column("bill_type", billtype_enum, server_default=BillType.EXPENSE.name))
     op.add_column("bill_version", sa.Column("bill_type", sa.UnicodeText()))
 
 
 def downgrade():
     op.drop_column("bill", "bill_type")
     op.drop_column("bill_version", "bill_type")
+
+    billtype_enum = sa.Enum(BillType)
+    billtype_enum.drop(op.get_bind())
\ No newline at end of file