diff --git a/src/ZPublisher/HTTPRequest.py b/src/ZPublisher/HTTPRequest.py
index 975cdc1a62..68ab5655e3 100644
--- a/src/ZPublisher/HTTPRequest.py
+++ b/src/ZPublisher/HTTPRequest.py
@@ -1484,7 +1484,7 @@ def __init__(self, fp, environ):
             if content_type == "multipart/form-data":
                 parts = MultipartParser(
                     fp, options["boundary"],
-                    part_limit = FORM_PART_LIMIT,
+                    part_limit=FORM_PART_LIMIT,
                     mem_limit=FORM_MEMORY_LIMIT,
                     disk_limit=FORM_DISK_LIMIT,
                     memfile_limit=FORM_MEMFILE_LIMIT,