2 files changed, 8 insertions, 2 deletions
diff --git a/lib/rubygems.rb b/lib/rubygems.rb
index 05690c83f9..98e7dfaf82 100644
--- a/lib/rubygems.rb
+++ b/lib/rubygems.rb
@@ -9,7 +9,7 @@ require 'rbconfig'
 require 'thread'
 
 module Gem
-  VERSION = '2.4.5'
+  VERSION = '2.4.5.1'
 end
 
 # Must be first since it unloads the prelude from 1.9.2
diff --git a/lib/rubygems/remote_fetcher.rb b/lib/rubygems/remote_fetcher.rb
index d42a7bd9de..b1f6dd17fc 100644
--- a/lib/rubygems/remote_fetcher.rb
+++ b/lib/rubygems/remote_fetcher.rb
@@ -94,7 +94,13 @@ class Gem::RemoteFetcher
     rescue Resolv::ResolvError
       uri
     else
-      URI.parse "#{uri.scheme}://#{res.target}#{uri.path}"
+      target = res.target.to_s.strip
+
+      if /\.#{Regexp.quote(host)}\z/ =~ target
+        return URI.parse "#{uri.scheme}://#{target}#{uri.path}"
+      end
+
+      uri
     end
   end