diff --git a/sqla_vertica_python/vertica_python.py b/sqla_vertica_python/vertica_python.py
index 609977a..bf2fe6d 100755
--- a/sqla_vertica_python/vertica_python.py
+++ b/sqla_vertica_python/vertica_python.py
@@ -114,7 +114,7 @@ def has_schema(self, connection, schema):
         return bool(rs.scalar())
 
 
-    def has_table(self, connection, table_name, schema=None):
+    def has_table(self, connection, table_name, schema=None, info_cache=None):
         if schema is None:
             schema = self._get_default_schema_name(connection)
         query = ("SELECT EXISTS ("