diff --git a/syncplay/server.py b/syncplay/server.py
index 722951b..dc5feac 100755
--- a/syncplay/server.py
+++ b/syncplay/server.py
@@ -198,7 +198,7 @@ class SyncFactory(Factory):
         else:
             watcher.setPlaylistIndex(room.getName(), room.getPlaylistIndex())
 
-    def _allowTLSconnections(path):
+    def _allowTLSconnections(self, path):
         try:
             privkey = open(path+'/privkey.pem', 'rt').read()
             certif = open(path+'/cert.pem', 'rt').read()
@@ -644,4 +644,4 @@ class ConfigurationGetter(object):
         self._argparser.add_argument('--max-chat-message-length', metavar='maxChatMessageLength', type=int, nargs='?', help=getMessage("server-chat-maxchars-argument").format(constants.MAX_CHAT_MESSAGE_LENGTH))
         self._argparser.add_argument('--max-username-length', metavar='maxUsernameLength', type=int, nargs='?', help=getMessage("server-maxusernamelength-argument").format(constants.MAX_USERNAME_LENGTH))
         self._argparser.add_argument('--stats-db-file', metavar='file', type=str, nargs='?', help=getMessage("server-stats-db-file-argument"))
-        self._argparser.add_argument('--tls', metavar='file', type=str, nargs='?', help=getMessage("server-tls-argument"))
+        self._argparser.add_argument('--tls', metavar='path', type=str, nargs='?', help=getMessage("server-tls-argument"))