diff --git a/rake-tasks/crazy_fun/mappings/ruby.rb b/rake-tasks/crazy_fun/mappings/ruby.rb
index <HASH>..<HASH> 100644
--- a/rake-tasks/crazy_fun/mappings/ruby.rb
+++ b/rake-tasks/crazy_fun/mappings/ruby.rb
@@ -220,7 +220,7 @@ class RubyRunner
     cmd << "-S" << opts[:command] if opts.has_key? :command
     cmd += Array(opts[:files]) if opts.has_key? :files
 
-    puts cmd.join ' '
+    puts cmd.join(' ')
 
     sh(*cmd)
   end
JariBakken (on behalf of <EMAIL>): Fix Ruby warning in CrazyFun

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