diff --git a/tools/download_check.rb b/tools/download_check.rb
index b839c32..a36a8b2 100755
--- a/tools/download_check.rb
+++ b/tools/download_check.rb
@@ -577,12 +577,12 @@
       else
         E "Bug: found hash #{h} for missing artifact #{stem}"
       end
-      t.strip!
+      t.sub!('➚', '').strip! # age
       next if t == '' # empire-db
       tmp = text2ext(t)
       next if ext == tmp # i.e. link is just the type or [TYPE]
       next if ext == 'sha' and tmp == 'sha1' # historic
-      next if %w(sha256 md5 mds sha512 sha1).include?(ext) and %w(SHA digest Digest checksums).include?(t) # generic
+      next if %w(sha256 md5 mds sha512 sha1).include?(ext) and %w(SHA digest Digest CheckSum checksums).include?(t) # generic
       next if ext == 'mds' and (tmp == 'hashes' or t == 'Digests')
       if base != t
         if t == 'Download' # MXNet