diff --git a/etc/mitm_cors.py b/etc/mitm_cors.py
index c62f21d..7353290 100644
--- a/etc/mitm_cors.py
+++ b/etc/mitm_cors.py
@@ -28,7 +28,7 @@ def request(flow: flow.Flow):
 
 	# Hijack CORS OPTIONS request
 	if flow.request.method == "OPTIONS":
-		flow.response = http.HTTPResponse.make(200, b"", {
+		flow.response = http.Response.make(200, b"", {
 			"Access-Control-Allow-Origin": allowed_origin(original_origin),
 			"Access-Control-Allow-Methods": "GET,POST",
 			"Access-Control-Allow-Headers": ALLOW_HEADERS,