diff --git a/icingabot.py b/icingabot.py
index 14f839a..e449797 100755
--- a/icingabot.py
+++ b/icingabot.py
@@ -20,7 +20,6 @@ from itertools import groupby
 import requests
 
 import irc.bot
-import irc.strings
 
 """A simple IRC Bot statusing icinga2.
 
@@ -192,19 +191,19 @@ class IcingaBot(Icinga2ServiceManager, irc.bot.SingleServerIRCBot):
         self.nick = nickname
         self.channel = channel
         self.connection.execute_every(30, self.refresh_ko_services)
+        self.connection.execute_every(300, self.refresh_nick)
         self.refresh_ko_services()
 
-    def suffix_nick(self, suffix):
-        self.nick_suffix = suffix
+    def refresh_nick(self):
         if self.connection.is_connected():
-            self.connection.nick("{}{}".format(self.nick, suffix))
+            self.connection.nick("{}{}".format(self.nick, self.nick_suffix))
 
     def unmute(self):
         self.muted = False
         if self.ko_services:
-            self.suffix_nick("[{}]".format(len(self.ko_services)))
+            self.nick_suffix = "[{}]".format(len(self.ko_services))
         else:
-            self.suffix_nick("")
+            self.nick_suffix = ""
 
     def send(self, msg):
         if not self.muted and self.connection.is_connected():
@@ -216,9 +215,9 @@ class IcingaBot(Icinga2ServiceManager, irc.bot.SingleServerIRCBot):
         if lost is False and news is False:
             return
         if self.ko_services:
-            self.suffix_nick("[{}]".format(len(self.ko_services)))
+            self.nick_suffix = "[{}]".format(len(self.ko_services))
         else:
-            self.suffix_nick("")
+            self.nick_suffix = ""
         return
 
     def on_nicknameinuse(self, c, e):
@@ -336,7 +335,7 @@ class IcingaBot(Icinga2ServiceManager, irc.bot.SingleServerIRCBot):
 
     def do_mute(self, c, e):
         self.muted = True
-        self.suffix_nick("[zZz]")
+        self.nick_suffix = "[zZz]"
         self.connection.execute_delayed(3600, self.refresh_ko_services)
 
     def do_command(self, e, cmd):