diff --git a/lib/tasks/ci.rake b/lib/tasks/ci.rake
index 0c9deeea4..cae626150 100644
--- a/lib/tasks/ci.rake
+++ b/lib/tasks/ci.rake
@@ -23,7 +23,7 @@ namespace :ci do
   desc "Build Redmine"
   task :build do
     Rake::Task["test"].invoke
-    Rake::Task["test:ui"].invoke if RUBY_VERSION >= '2.0.0'
+    Rake::Task["test:ui"].invoke if RUBY_VERSION >= '1.9.3'
   end
 
   desc "Finish the build"