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-rw-r--r--lib/rubygems/doctor.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/rubygems/doctor.rb b/lib/rubygems/doctor.rb
index ec4a16c3f8..e5d8c43de8 100644
--- a/lib/rubygems/doctor.rb
+++ b/lib/rubygems/doctor.rb
@@ -26,7 +26,7 @@ class Gem::Doctor
['doc', ''],
['extensions', ''],
['gems', ''],
- ]
+ ].freeze
missing =
Gem::REPOSITORY_SUBDIRECTORIES.sort -