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-rw-r--r--lib/rubygems/package.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/rubygems/package.rb b/lib/rubygems/package.rb
index 71f82463f9..6c6278f483 100644
--- a/lib/rubygems/package.rb
+++ b/lib/rubygems/package.rb
@@ -468,7 +468,7 @@ EOM
filename.start_with? '/'
destination_dir = File.expand_path(File.realpath(destination_dir))
- destination = File.expand_path(File.join(destination_dir, filename))
+ destination = File.expand_path(filename, destination_dir)
raise Gem::Package::PathError.new(destination, destination_dir) unless
destination.start_with? destination_dir + '/'