diff --git a/clickhouse_sqlalchemy/types/common.py b/clickhouse_sqlalchemy/types/common.py
index d5659f7a..84cd78ff 100644
--- a/clickhouse_sqlalchemy/types/common.py
+++ b/clickhouse_sqlalchemy/types/common.py
@@ -30,11 +30,17 @@ class Boolean(types.Boolean, ClickHouseTypeEngine):
 class Array(ClickHouseTypeEngine):
     __visit_name__ = 'array'
 
+    hashable = False
+
     def __init__(self, item_type):
         self.item_type = item_type
         self.item_type_impl = to_instance(item_type)
         super(Array, self).__init__()
 
+    @property
+    def python_type(self):
+        return list
+
     def literal_processor(self, dialect):
         item_processor = self.item_type_impl.literal_processor(dialect)