diff --git a/radicale/app/put.py b/radicale/app/put.py
index cf2a15fb6..ec433db2d 100644
--- a/radicale/app/put.py
+++ b/radicale/app/put.py
@@ -133,7 +133,7 @@ def do_PUT(self, environ: types.WSGIEnviron, base_prefix: str,
         try:
             content = httputils.read_request_body(self.configuration, environ)
         except RuntimeError as e:
-            logger.warning("Bad PUT request on %r: %s", path, e, exc_info=True)
+            logger.warning("Bad PUT request on %r (read_request_body): %s", path, e, exc_info=True)
             return httputils.BAD_REQUEST
         except socket.timeout:
             logger.debug("Client timed out", exc_info=True)
@@ -145,7 +145,7 @@ def do_PUT(self, environ: types.WSGIEnviron, base_prefix: str,
             vobject_items = radicale_item.read_components(content or "")
         except Exception as e:
             logger.warning(
-                "Bad PUT request on %r: %s", path, e, exc_info=True)
+                "Bad PUT request on %r (read_components): %s", path, e, exc_info=True)
             return httputils.BAD_REQUEST
         (prepared_items, prepared_tag, prepared_write_whole_collection,
          prepared_props, prepared_exc_info) = prepare(
@@ -199,7 +199,7 @@ def do_PUT(self, environ: types.WSGIEnviron, base_prefix: str,
             props = prepared_props
             if prepared_exc_info:
                 logger.warning(
-                    "Bad PUT request on %r: %s", path, prepared_exc_info[1],
+                    "Bad PUT request on %r (prepare): %s", path, prepared_exc_info[1],
                     exc_info=prepared_exc_info)
                 return httputils.BAD_REQUEST
 
@@ -216,7 +216,7 @@ def do_PUT(self, environ: types.WSGIEnviron, base_prefix: str,
                         self._hook.notify(hook_notification_item)
                 except ValueError as e:
                     logger.warning(
-                        "Bad PUT request on %r: %s", path, e, exc_info=True)
+                        "Bad PUT request on %r (create_collection): %s", path, e, exc_info=True)
                     return httputils.BAD_REQUEST
             else:
                 assert not isinstance(item, storage.BaseCollection)
@@ -238,7 +238,7 @@ def do_PUT(self, environ: types.WSGIEnviron, base_prefix: str,
                     self._hook.notify(hook_notification_item)
                 except ValueError as e:
                     logger.warning(
-                        "Bad PUT request on %r: %s", path, e, exc_info=True)
+                        "Bad PUT request on %r (upload): %s", path, e, exc_info=True)
                     return httputils.BAD_REQUEST
 
             headers = {"ETag": etag}