diff --git a/vendor/rails/activesupport/lib/active_support/core_ext/string/unicode.rb b/vendor/rails/activesupport/lib/active_support/core_ext/string/unicode.rb
index 844f7de..8532cc4 100644
--- a/vendor/rails/activesupport/lib/active_support/core_ext/string/unicode.rb
+++ b/vendor/rails/activesupport/lib/active_support/core_ext/string/unicode.rb
@@ -4,7 +4,7 @@ module ActiveSupport #:nodoc:
       # Define methods for handling unicode data.
       module Unicode
         def self.included(base)
-          if '1.8.7'.respond_to?(:chars)
+          if RUBY_VERSION == '1.8.7' && '1.8.7'.respond_to?(:chars)
             base.class_eval { remove_method :chars }
           end
         end
--
libgit2 0.21.2