diff --git a/src/backend/core/api/viewsets.py b/src/backend/core/api/viewsets.py
index 52e1c26d..5f6d95f9 100644
--- a/src/backend/core/api/viewsets.py
+++ b/src/backend/core/api/viewsets.py
@@ -1975,7 +1975,8 @@ class DocumentViewSet(
         # quotes. Proxies (e.g. nginx with gzip) convert strong ETags to weak ones,
         # so a strict equality check would fail on production even when unchanged.
         logger.debug("etag value : ", etag)
-        logger.debug("if_none_match value : " if_none_match)
+        logger.debug("if_none_match value : ", if_none_match)
+
         def _etag_value(tag):
             if tag:
                 tag = tag.removeprefix("W/")