diff --git a/tfjm/settings_prod.py b/tfjm/settings_prod.py
index fa85b60..013f43b 100644
--- a/tfjm/settings_prod.py
+++ b/tfjm/settings_prod.py
@@ -44,7 +44,7 @@ HAYSTACK_CONNECTIONS = {
     'default': {
         'ENGINE': 'haystack.backends.elasticsearch7_backend.Elasticsearch7SearchEngine',
         'URL': 'http://elasticsearch:9200/',
-        'INDEX_NAME': 'haystack',
+        'INDEX_NAME': os.getenv('HAYSTACK_INDEX_NAME', 'inscription-tfjm'),
     }
 }