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-rw-r--r--lib/rubygems/specification.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/rubygems/specification.rb b/lib/rubygems/specification.rb
index 7eaa509d2b..b620021c5c 100644
--- a/lib/rubygems/specification.rb
+++ b/lib/rubygems/specification.rb
@@ -2693,7 +2693,7 @@ class Gem::Specification < Gem::BasicSpecification
@version = Gem::Version.create(version)
# skip to set required_ruby_version when pre-released rubygems.
# It caused to raise CircularDependencyError
- if @version.prerelease? && @name.strip != "rubygems"
+ if @version.prerelease? && (@name.nil? || @name.strip != "rubygems")
self.required_rubygems_version = '> 1.3.1'
end
invalidate_memoized_attributes