diff --git a/allianceauth/services/modules/discord/manager.py b/allianceauth/services/modules/discord/manager.py
index 08e1d1f5..7f28e6c7 100644
--- a/allianceauth/services/modules/discord/manager.py
+++ b/allianceauth/services/modules/discord/manager.py
@@ -204,7 +204,7 @@ class DiscordOAuthManager:
                 'access_token': token,
             }
             if nickname:
-                data['nick'] = nickname
+                data['nick'] = DiscordOAuthManager._sanitize_name(nickname)
             custom_headers['authorization'] = 'Bot ' + settings.DISCORD_BOT_TOKEN
             r = requests.put(path, headers=custom_headers, json=data)
             logger.debug("Got status code %s after joining Discord server" % r.status_code)