diff --git a/irctest/controllers/oragono.py b/irctest/controllers/oragono.py
index dcf065f..be0915d 100644
--- a/irctest/controllers/oragono.py
+++ b/irctest/controllers/oragono.py
@@ -123,7 +123,7 @@ class OragonoController(BaseServerController, DirectoryBasedController):
         while case.getRegistrationMessage(client).command != '001':
             pass
         list(case.getMessages(client))
-        case.sendLine(client, 'REG CREATE {} passphrase {}'.format(
+        case.sendLine(client, 'ACC REGISTER {} passphrase {}'.format(
             username, password))
         msg = case.getMessage(client)
         assert msg.command == '920', msg