diff --git a/pinaxcon/monkey_patch.py b/pinaxcon/monkey_patch.py
index c010251231aef994e360a905330bfda54a42f70b..207fcd129e710f1950c74208f96f1e04d8efe25e 100644
--- a/pinaxcon/monkey_patch.py
+++ b/pinaxcon/monkey_patch.py
@@ -4,8 +4,13 @@ from functools import wraps
 class MonkeyPatchMiddleware(object):
     ''' Ensures that our monkey patching only gets called after it is safe to do so.'''
 
-    def process_request(self, request):
+    def __init__(self, get_response):
+        self.get_response = get_response
+
+    def __call__(self, request):
         do_monkey_patch()
+        response = self.get_response(request)
+        return response
 
 
 def do_monkey_patch():
@@ -53,7 +58,7 @@ def patch_stripe_payment_form():  # noqa: C901
                 if not isinstance(value, HttpRequest):
                     continue
                 user = value.user
-                if not user.is_authenticated():
+                if not user.is_authenticated:
                     break
                 try:
                     attendee_profile = models.AttendeeProfile.objects.get(