diff --git a/plugins/comment_joins.py b/plugins/comment_joins.py
index 9efda82..dfecd63 100644
--- a/plugins/comment_joins.py
+++ b/plugins/comment_joins.py
@@ -1,11 +1,10 @@
 # -*- coding: utf-8 -*-
 import logging
-
 import time
 import random
-
 import config
 from plugin_system import pluginfunction, ptypes
+
 log = logging.getLogger(__name__)
 
 comment_joins_strings = [
@@ -17,8 +16,8 @@ comment_joins_strings = [
 @config.config_locked
 def comment_joins(**args):
     # max elapsed time between the latest and the N latest join
-    timespan  = 120
-    max_joins = 6
+    timespan = 120
+    max_joins = config.runtime_config_store
 
     current_timestamp = int(time.time())
 
@@ -26,12 +25,12 @@ def comment_joins(**args):
     arg_user_key = arg_user.lower()
 
     if arg_user_key not in config.runtime_config_store['user_joins']:
-        config.runtime_config_store['user_joins'][arg_user_key] = [ current_timestamp ]
+        config.runtime_config_store['user_joins'][arg_user_key] = [current_timestamp]
         config.runtimeconf_persist()
         return None
 
-    user_joins = [] 
-    
+    user_joins = []
+
     for ts in config.runtime_config_store['user_joins'][arg_user_key]:
         if current_timestamp - int(ts) <= timespan:
             user_joins.append(ts)
@@ -42,7 +41,7 @@ def comment_joins(**args):
         config.runtime_config_store['user_joins'].pop(arg_user_key)
         config.runtimeconf_persist()
         log.info("send comment on join")
-        return { 'msg':  random.choice(comment_joins_strings) % arg_user }
+        return {'msg': random.choice(comment_joins_strings) % arg_user}
     else:
         user_joins.append(current_timestamp)
         config.runtime_config_store['user_joins'][arg_user_key] = user_joins