diff --git a/social_django/fields.py b/social_django/fields.py
index f03e1def..a9dd8e66 100644
--- a/social_django/fields.py
+++ b/social_django/fields.py
@@ -21,7 +21,7 @@
             from django.utils.module_loading import import_string
         except ImportError:
             from importlib import import_module as import_string
-        JSONFieldBase = import_string(JSONFIELD_CUSTOM)
+        JSONField = import_string(JSONFIELD_CUSTOM)
     else:
         try:
             from django.db.models import JSONField