diff --git a/shoutbox.py b/shoutbox.py
index 689e12f..9031722 100644
--- a/shoutbox.py
+++ b/shoutbox.py
@@ -22,7 +22,7 @@ class Shoutbox(object):
         self._handler = Thread(target=self._handle)
 
         for channel, last_id in self.channels.items():
-            messages = json.loads(r.get(f"https://www.planet-casio.com/Fr/shoutbox/api/read?since={last_id}&channel={channel}&format=text").text)['messages']
+            messages = json.loads(r.get(f"https://www.planet-casio.com/Fr/shoutbox/api/read?since={last_id}&channel={channel}&format=irc").text)['messages']
             for m in messages:
                 self.channels[channel] = m['id']
 
@@ -82,7 +82,7 @@ class Shoutbox(object):
                 for channel, last_id in self.channels.items():
                     # Do not spam with logs
                     logging.getLogger().setLevel(logging.INFO)
-                    messages = json.loads(r.get(f"https://www.planet-casio.com/Fr/shoutbox/api/read?since={last_id}&channel={channel}&format=text").text)['messages']
+                    messages = json.loads(r.get(f"https://www.planet-casio.com/Fr/shoutbox/api/read?since={last_id}&channel={channel}&format=irc").text)['messages']
                     logging.getLogger().setLevel(logging.DEBUG)
                     for m in messages:
                         logging.debug(m)