diff --git a/respodns/top1m.py b/respodns/top1m.py
index c68c8e2..ef37a17 100644
--- a/respodns/top1m.py
+++ b/respodns/top1m.py
@@ -1,4 +1,5 @@
-urltop_default = "http://s3.amazonaws.com/alexa-static/top-1m.csv.zip"
+# https://github.com/PeterDaveHello/top-1m-domains
+urltop_default = "https://s3-us-west-1.amazonaws.com/umbrella-static/top-1m.csv.zip"
 csvfn_default = "top-1m.csv"  # path within the zip file
 
 one_week = 7 * 24 * 60 * 60  # in seconds
@@ -51,5 +52,5 @@ def retrieve_top1m_entries(csv_fp="top-1m.csv"):
     # for data that *should* be just a subset of ascii.
     lines = uncomp.splitlines()
     entries = [(lambda a: (int(a[0]), a[2]))(line.partition(","))
-               for line in lines]
+               for line in lines if line]
     return entries