diff --git a/CHANGELOG.md b/CHANGELOG.md
index a3011d2e..a2a30b68 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ any parts of the framework not mentioned in the documentation should generally b
 
 * Adjusted error messages to correctly use capitial "JSON:API" abbreviation as used in the specification.
 * Avoid error when `parser_context` is `None` while parsing.
+* Perform inflection for `included_resources` in `AutoPrefetchMixin` ([#871](https://github.com/django-json-api/django-rest-framework-json-api/issues/871))
 
 ### Changed
 
diff --git a/rest_framework_json_api/views.py b/rest_framework_json_api/views.py
index c53864a0..197920e0 100644
--- a/rest_framework_json_api/views.py
+++ b/rest_framework_json_api/views.py
@@ -1,5 +1,6 @@
 from collections.abc import Iterable
 
+import inflection
 from django.core.exceptions import ImproperlyConfigured
 from django.db.models import Model
 from django.db.models.fields.related_descriptors import (
@@ -86,6 +87,9 @@ def get_queryset(self, *args, **kwargs):
         included_resources = get_included_resources(
             self.request, self.get_serializer_class()
         )
+        included_resources = [
+            inflection.underscore(value) for value in included_resources
+        ]
 
         for included in included_resources + ["__all__"]:
             # If include was not defined, trying to resolve it automatically