diff --git a/rest_framework/mixins.py b/rest_framework/mixins.py
index 7fa8947cb..93b5bd684 100644
--- a/rest_framework/mixins.py
+++ b/rest_framework/mixins.py
@@ -14,7 +14,7 @@ class CreateModelMixin:
     Create a model instance.
     """
     def create(self, request, *args, **kwargs):
-        serializer = self.get_serializer(data=request.data)
+        serializer = self.get_serializer(data=self.get_create_data(request))
         serializer.is_valid(raise_exception=True)
         self.perform_create(serializer)
         headers = self.get_success_headers(serializer.data)
@@ -23,6 +23,9 @@ class CreateModelMixin:
     def perform_create(self, serializer):
         serializer.save()
 
+    def get_create_data(self, request):
+        return request.data
+
     def get_success_headers(self, data):
         try:
             return {'Location': str(data[api_settings.URL_FIELD_NAME])}