diff --git a/clickhouse_connect/VERSION b/clickhouse_connect/VERSION
index 08456a47..d81f1c3f 100644
--- a/clickhouse_connect/VERSION
+++ b/clickhouse_connect/VERSION
@@ -1 +1 @@
-0.2.8
\ No newline at end of file
+0.2.9
\ No newline at end of file
diff --git a/clickhouse_connect/cc_superset/engine.py b/clickhouse_connect/cc_superset/engine.py
index 213ebce1..6ee1203c 100644
--- a/clickhouse_connect/cc_superset/engine.py
+++ b/clickhouse_connect/cc_superset/engine.py
@@ -176,7 +176,9 @@ def validate_parameters(cls, parameters: BasicParametersType) -> List[SupersetEr
                 ErrorLevel.ERROR,
                 {'invalid': ['host']},
             )]
-        port = parameters.get('port', default_port('http', parameters.get('encryption', False)))
+        port = parameters.get('port')
+        if port is None:
+            port = default_port('http', parameters.get('encryption', False))
         try:
             port = int(port)
         except (ValueError, TypeError):