diff --git a/Rakefile b/Rakefile
index e954d1621..1e6cde4ef 100644
--- a/Rakefile
+++ b/Rakefile
@@ -214,7 +214,7 @@ require "tasks/github_release_task"
 Fog::Rake::GithubReleaseTask.new
 
 task :coveralls_push_workaround do
-  use_coveralls = (Gem::Version.new(RUBY_VERSION) > Gem::Version.new('1.9.2'))
+  use_coveralls = (Gem::Version.new(String.new(RUBY_VERSION)) > Gem::Version.new('1.9.2'))
   if (ENV['COVERAGE'] != 'false') && use_coveralls
     require 'coveralls/rake/task'
     Coveralls::RakeTask.new