diff --git a/django_pgcli/__init__.py b/django_pgcli/__init__.py
index a517342..5971fbc 100755
--- a/django_pgcli/__init__.py
+++ b/django_pgcli/__init__.py
@@ -12,7 +12,7 @@
 class PgCLIDatabaseClient(DatabaseClient):
     executable_name = 'pgcli'
     
-    def runshell(self):
+    def runshell(self, parameters=None):
         PgCLIDatabaseClient.runshell_db(self.connection.get_connection_params())
 
 base.DatabaseWrapper.__old_database_client_class = base.DatabaseClient