diff --git a/include/common/http.h b/include/common/http.h
index 66114d3..249cd32 100644
--- a/include/common/http.h
+++ b/include/common/http.h
@@ -87,6 +87,7 @@
 	HTTP_ERR_405,
 	HTTP_ERR_408,
 	HTTP_ERR_410,
+	HTTP_ERR_413,
 	HTTP_ERR_421,
 	HTTP_ERR_425,
 	HTTP_ERR_429,