--- django/http/multipartparser.py      (revision 9070)
+++ django/http/multipartparser.py      (working copy)
@@ -77,7 +77,7 @@
             # For now set it to 0; we'll try again later on down.
             content_length = 0

-        if content_length <= 0:
+        if content_length < 0:
             # This means we shouldn't continue...raise an error.
             raise MultiPartParserError("Invalid content length: %r" % content_length)