diff --git a/hosting/forms.py b/hosting/forms.py
index 16b06fe0..576a1996 100644
--- a/hosting/forms.py
+++ b/hosting/forms.py
@@ -1,8 +1,8 @@
 import datetime
 import logging
 import subprocess
-
 import tempfile
+
 from django import forms
 from django.conf import settings
 from django.contrib.auth import authenticate
@@ -214,6 +214,10 @@ class UserHostingKeyForm(forms.ModelForm):
         return openssh_pubkey_str
 
     def clean_name(self):
+        INVALID_NAME_MESSAGE = _("Comma not accepted in the name of the key")
+        if "," in self.data.get('name'):
+            logger.debug(INVALID_NAME_MESSAGE)
+            raise forms.ValidationError(INVALID_NAME_MESSAGE)
         return self.data.get('name')
 
     def clean_user(self):