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-rw-r--r--lib/rubygems/command.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/rubygems/command.rb b/lib/rubygems/command.rb
index 3170cd2af3..f459dbf868 100644
--- a/lib/rubygems/command.rb
+++ b/lib/rubygems/command.rb
@@ -93,7 +93,7 @@ class Gem::Command
# array or a string to be split on white space.
def self.add_specific_extra_args(cmd,args)
- args = args.split(/\s+/) if args.kind_of? String
+ args = args.split(/\s+/) if args.is_a? String
specific_extra_args_hash[cmd] = args
end