diff --git a/corepos/db/office_op/model.py b/corepos/db/office_op/model.py
index 67e9be8..b61bdd3 100644
--- a/corepos/db/office_op/model.py
+++ b/corepos/db/office_op/model.py
@@ -244,7 +244,11 @@ class TaxRate(Base):
 
     description = sa.Column(sa.String(length=50), nullable=True)
 
-    sales_code = sa.Column('salesCode', sa.Integer(), nullable=True)
+    # TODO: this was not in some older DBs
+    # sales_code = sa.Column('salesCode', sa.Integer(), nullable=True)
+
+    def __str__(self):
+        return self.description or ""
 
 
 class TaxRateComponent(Base):