diff --git a/lib/tasks/load_default_data.rake b/lib/tasks/load_default_data.rake
index 4179b9db3..c213ad79e 100644
--- a/lib/tasks/load_default_data.rake
+++ b/lib/tasks/load_default_data.rake
@@ -10,6 +10,7 @@ namespace :redmine do
       print "Select language: "
       print valid_languages.collect(&:to_s).sort.join(", ")
       print " [#{current_language}] "
+      STDOUT.flush
       lang = STDIN.gets.chomp!
       break if lang.empty?
       break if set_language_if_valid(lang)