diff --git a/validata_ui/views.py b/validata_ui/views.py
index 94d89208dbaf0cec1105b7e68acec9c46d4ca7f8..245ae6ba36337cb771869b6ceed1d786696db227 100644
--- a/validata_ui/views.py
+++ b/validata_ui/views.py
@@ -13,6 +13,7 @@ from operator import itemgetter
 from pathlib import Path
 from urllib.parse import urlencode, urljoin
 
+import jsonschema
 import requests
 import tableschema
 import tabulator
@@ -453,6 +454,8 @@ def home():
                         err_msg = "problème de connexion"
                     elif isinstance(exc, json.decoder.JSONDecodeError):
                         err_msg = "format JSON incorrect"
+                    elif isinstance(exc, jsonschema.exceptions.ValidationError):
+                        err_msg = "le catalogue ne respecte pas le schéma de référence"
                     home_section['err'] = err_msg
                 else:
                     home_section_catalog = []