diff --git a/lib/rubygems/package.rb b/lib/rubygems/package.rb
index 9ed5b2c9ed..13eb25bd26 100644
--- a/lib/rubygems/package.rb
+++ b/lib/rubygems/package.rb
@@ -371,6 +371,8 @@ EOM
       File.respond_to? :realpath
 
     destination = File.join destination_dir, filename
+    destination = File.realpath destination if
+      File.respond_to? :realpath
     destination = File.expand_path destination
 
     raise Gem::Package::PathError.new(destination, destination_dir) unless
-- 
2.20.1