diff --git a/moto/s3/urls.py b/moto/s3/urls.py
index f43e37982..c397ef847 100644
--- a/moto/s3/urls.py
+++ b/moto/s3/urls.py
@@ -3,7 +3,7 @@ from .responses import all_buckets, bucket_response, key_response
 base_url = "https?://(.*).s3.amazonaws.com"
 
 urls = {
-    'https://s3.amazonaws.com/$': all_buckets,
+    'https?://s3.amazonaws.com/$': all_buckets,
     '{0}/$'.format(base_url): bucket_response,
     '{}/(.+)'.format(base_url): key_response,
 }