diff --git a/irctest/controllers/limnoria.py b/irctest/controllers/limnoria.py
index ca01b9e..4ae0ba4 100644
--- a/irctest/controllers/limnoria.py
+++ b/irctest/controllers/limnoria.py
@@ -17,14 +17,15 @@ supybot.networks.testnet.sasl.mechanisms: {mechanisms}
 """
 
 class LimnoriaController(BaseClientController, DirectoryBasedController):
+    supported_sasl_mechanisms = {
+            'PLAIN', 'ECDSA-NIST256P-CHALLENGE', 'EXTERNAL',
+            }
     def create_config(self):
         super().create_config()
         with self.open_file('bot.conf'):
             pass
         with self.open_file('conf/users.conf'):
             pass
-        self.supported_sasl_mechanisms = [
-            'PLAIN', 'ECDSA-NIST256P-CHALLENGE', 'EXTERNAL']
 
     def run(self, hostname, port, auth):
         # Runs a client with the config given as arguments
diff --git a/irctest/controllers/sopel.py b/irctest/controllers/sopel.py
index 280d55a..78678aa 100644
--- a/irctest/controllers/sopel.py
+++ b/irctest/controllers/sopel.py
@@ -18,11 +18,13 @@ auth_password = {password}
 """
 
 class SopelController(BaseClientController):
+    supported_sasl_mechanisms = [
+            'PLAIN',
+            ]
     def __init__(self):
         super().__init__()
         self.filename = next(tempfile._get_candidate_names()) + '.cfg'
         self.proc = None
-        self.supported_sasl_mechanisms = ['PLAIN']
     def kill(self):
         if self.proc:
             self.proc.kill()