diff --git a/frappe/app.py b/frappe/app.py
index e3934314ba..81194d7606 100644
--- a/frappe/app.py
+++ b/frappe/app.py
@@ -66,6 +66,11 @@ import frappe.website.website_generator  # web page doctypes
 
 # end: module pre-loading
 
+# better werkzeug default
+# this is necessary because frappe desk sends most requests as form data
+# and some of them can exceed werkzeug's default limit of 500kb
+Request.max_form_memory_size = None
+
 
 def after_response_wrapper(app):
 	"""Wrap a WSGI application to call after_response hooks after we have responded.