diff --git a/lib/sqlalchemy_ingres/base.py b/lib/sqlalchemy_ingres/base.py
index bd72b78..427c212 100644
--- a/lib/sqlalchemy_ingres/base.py
+++ b/lib/sqlalchemy_ingres/base.py
@@ -558,7 +558,7 @@ def get_view_definition(self, connection, view_name, schema=None, **kw):
         if schema:
             sqltext += """
                 AND table_owner = ?"""
-            params(*params, self.denormalize_name(schema))
+            params = (*params, self.denormalize_name(schema))
         else:
             sqltext += """
                 AND table_owner != '$ingres'"""
@@ -596,7 +596,7 @@ def get_indexes(self, connection, table_name, schema=None, **kw):
         if schema:
             sqltext += """
                 AND i.index_owner = ?"""
-            params(*params, self.denormalize_name(schema))
+            params = (*params, self.denormalize_name(schema))
             
         sqltext += """
             ORDER BY