diff --git a/udata/translations/fr/LC_MESSAGES/udata.po b/udata/translations/fr/LC_MESSAGES/udata.po
index 7903ff662d..80bac44b1e 100644
--- a/udata/translations/fr/LC_MESSAGES/udata.po
+++ b/udata/translations/fr/LC_MESSAGES/udata.po
@@ -1555,3 +1555,34 @@ msgstr "Assez réutilisé"
 msgid "Heavily reused"
 msgstr "Souvent réutilisé"
 
+#: udata/uris.py:53
+msgid "URL invalide : %(reason)s"
+msgstr ""
+
+#: udata/uris.py:103
+msgid "Schéma invalide {0}, schémas autorisés : {1}"
+msgstr ""
+
+#: udata/uris.py:106
+msgid "Les informations d'identification dans l'URL ne sont pas autorisées"
+msgstr ""
+
+#: udata/uris.py:110
+msgid "TLD invalide {0}"
+msgstr ""
+
+#: udata/uris.py:119
+msgid "{0} est une IP multicast"
+msgstr ""
+
+#: udata/uris.py:121
+msgid "{0} est un masque IP"
+msgstr ""
+
+#: udata/uris.py:125
+msgid "est une URL locale"
+msgstr ""
+
+#: udata/uris.py:128
+msgid "est une URL privée"
+msgstr ""
\ No newline at end of file
diff --git a/udata/translations/udata.pot b/udata/translations/udata.pot
index a4a6937a37..4ac875bdfa 100644
--- a/udata/translations/udata.pot
+++ b/udata/translations/udata.pot
@@ -1575,3 +1575,34 @@ msgstr ""
 msgid "Heavily reused"
 msgstr ""
 
+#: udata/uris.py:53
+msgid "Invalid URL: %(reason)s"
+msgstr ""
+
+#: udata/uris.py:103
+msgid "Invalid scheme {0}, allowed schemes: {1}"
+msgstr ""
+
+#: udata/uris.py:106
+msgid "Credentials in URL are not allowed"
+msgstr ""
+
+#: udata/uris.py:110
+msgid "Invalid TLD {0}"
+msgstr ""
+
+#: udata/uris.py:119
+msgid "{0} is a multicast IP"
+msgstr ""
+
+#: udata/uris.py:121
+msgid "{0} is a mask IP"
+msgstr ""
+
+#: udata/uris.py:125
+msgid "is a local URL"
+msgstr ""
+
+#: udata/uris.py:128
+msgid "is a private URL"
+msgstr ""
\ No newline at end of file
diff --git a/udata/uris.py b/udata/uris.py
index 1204edba1e..8ebe474252 100644
--- a/udata/uris.py
+++ b/udata/uris.py
@@ -3,6 +3,7 @@
 from werkzeug.routing import BuildError
 from flask import current_app, url_for
 from netaddr import IPAddress, AddrFormatError
+from udata.i18n import _
 
 from udata.settings import Defaults
 
@@ -49,9 +50,7 @@ def error(url, reason=None):
     __tracebackhide__ = True
     if not isinstance(url, str):
         url = url.decode('utf8')
-    msg = 'Invalid URL "{0}"'.format(url)
-    if reason:
-        msg = ': '.join((msg, reason))
+    msg = _('Invalid URL: %(reason)s', reason = reason)
     raise ValidationError(msg.encode('utf8'))
 
 
@@ -101,14 +100,14 @@ def validate(url, schemes=None, tlds=None, private=None, local=None,
 
     scheme = (match.group('scheme') or '').lower()
     if scheme and scheme not in schemes:
-        error(url, 'Invalid scheme {0}'.format(scheme))
+        error(url, _('Invalid scheme {0}, allowed schemes: {1}').format(scheme, ", ".join(schemes)))
 
     if not credentials and match.group('credentials'):
-        error(url, 'Credentials in URL are not allowed')
+        error(url, _('Credentials in URL are not allowed'))
 
     tld = match.group('tld')
     if tld and tld not in tlds and idna(tld) not in tlds:
-        error(url, 'Invalid TLD {0}'.format(tld))
+        error(url, _('Invalid TLD {0}').format(tld))
 
     ip = match.group('ipv6') or match.group('ipv4')
     if ip:
@@ -117,15 +116,15 @@ def validate(url, schemes=None, tlds=None, private=None, local=None,
         except AddrFormatError:
             error(url)
         if ip.is_multicast():
-            error(url, '{0} is a multicast IP'.format(ip))
+            error(url, _('{0} is a multicast IP').format(ip))
         elif not ip.is_loopback() and ip.is_hostmask() or ip.is_netmask():
-            error(url, '{0} is a mask IP'.format(ip))
+            error(url, _('{0} is a mask IP').format(ip))
 
     if not local:
         if ip and ip.is_loopback() or match.group('localhost'):
-            error(url, 'is a local URL')
+            error(url, _('is a local URL'))
 
     if not private and ip and ip.is_private():
-        error(url, 'is a private URL')
+        error(url, _('is a private URL'))
 
     return url