diff --git a/nginx_ingress_controller/datadog_checks/nginx_ingress_controller/nginx_ingress_controller.py b/nginx_ingress_controller/datadog_checks/nginx_ingress_controller/nginx_ingress_controller.py
index 5c92050ef3b46..1effec6f85990 100644
--- a/nginx_ingress_controller/datadog_checks/nginx_ingress_controller/nginx_ingress_controller.py
+++ b/nginx_ingress_controller/datadog_checks/nginx_ingress_controller/nginx_ingress_controller.py
@@ -29,6 +29,8 @@
 HISTOGRAM_METRICS = [
     {'nginx_ingress_controller_response_duration_seconds': 'controller.response.duration'},
     {'nginx_ingress_controller_request_duration_seconds': 'controller.request.duration'},
+    {'nginx_ingress_controller_response_size': 'controller.response.size'},
+    {'nginx_ingress_controller_request_size': 'controller.request.size'},
 ]