diff --git a/moto/rds2/urls.py b/moto/rds2/urls.py
index 3c8a129a8..6881a1119 100644
--- a/moto/rds2/urls.py
+++ b/moto/rds2/urls.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 from .responses import RDS2Response
 
 url_bases = [
-    "https?://rds.(.+).amazonaws.com",
+    "https?://rds(.+).amazonaws.com",
 ]
 
 url_paths = {