diff --git a/src/agenda_culturel/settings/base.py b/src/agenda_culturel/settings/base.py
index 9f12fd8..9df688b 100644
--- a/src/agenda_culturel/settings/base.py
+++ b/src/agenda_culturel/settings/base.py
@@ -14,7 +14,8 @@ APP_ENV = os_getenv("APP_ENV", "dev")
 DEBUG = os_getenv("DEBUG", "true").lower() in ["True", "true", "1", "yes", "y"]
 
 ALLOWED_HOSTS = os_getenv("ALLOWED_HOSTS", "localhost").split(",")
-
+if DEBUG:
+    ALLOWED_HOSTS = ALLOWED_HOSTS + ['testserver']
 
 if DEBUG:
     CSRF_TRUSTED_ORIGINS = os_getenv("CSRF_TRUSTED_ORIGINS", "http://localhost").split(
diff --git a/src/agenda_culturel/templatetags/cat_extra.py b/src/agenda_culturel/templatetags/cat_extra.py
index b9b3e4c..a73e5ad 100644
--- a/src/agenda_culturel/templatetags/cat_extra.py
+++ b/src/agenda_culturel/templatetags/cat_extra.py
@@ -123,7 +123,7 @@ def css_categories():
             result += "}"
 
         result += "</style>"
-        cache.set('css_categories', result, 3600) # 1 hour
+        cache.set('css_categories', result, 86400) # 1 day
     return mark_safe(result)