diff --git a/radicale/app/put.py b/radicale/app/put.py
index fda6140b..82d04a3f 100644
--- a/radicale/app/put.py
+++ b/radicale/app/put.py
@@ -282,6 +282,10 @@ class ApplicationPartPut(ApplicationBase):
                         logger.warning(
                             "Bad PUT request on %r (upload): %s", path, e, exc_info=True)
                         return httputils.BAD_REQUEST
+                if (item and item.uid == prepared_item.uid):
+                    logger.debug("PUT request updated existing item %r", path)
+                    headers = {"ETag": etag}
+                    return client.NO_CONTENT, headers, None
 
             headers = {"ETag": etag}
             return client.CREATED, headers, None