diff --git a/third_party/ibis/ibis_mssql/client.py b/third_party/ibis/ibis_mssql/client.py
index cec859414..9ccd9a322 100644
--- a/third_party/ibis/ibis_mssql/client.py
+++ b/third_party/ibis/ibis_mssql/client.py
@@ -15,6 +15,7 @@
 
 import contextlib
 import datetime
+import decimal
 import getpass
 
 import sqlalchemy as sa
@@ -256,6 +257,7 @@ def _get_schema_using_query(self, limited_query):
             float: 'float64',
             str: 'string',
             datetime.datetime: 'timestamp',
+            decimal.Decimal: 'Decimal'
         }
 
         with self._execute(limited_query, results=True) as cur: