diff --git a/radicale/app/proppatch.py b/radicale/app/proppatch.py
index faa8c25b..76b4a1a1 100644
--- a/radicale/app/proppatch.py
+++ b/radicale/app/proppatch.py
@@ -114,7 +114,7 @@ def do_PROPPATCH(self, environ: types.WSGIEnviron, base_prefix: str,
                 # return better matching HTTP result in case errno is provided and catched
                 errno_match = re.search("\\[Errno ([0-9]+)\\]", str(e))
                 if errno_match:
-                    logger.warning(
+                    logger.error(
                         "Failed PROPPATCH request on %r: %s", path, e, exc_info=True)
                     errno_e = int(errno_match.group(1))
                     if errno_e == errno.ENOSPC: