diff --git a/zsh/aliases.zsh b/zsh/aliases.zsh
index dd8ca019..12acaa95 100644
--- a/zsh/aliases.zsh
+++ b/zsh/aliases.zsh
@@ -101,7 +101,8 @@ alias cl='clear'
 alias gz='tar -zcvf'
 
 # Ruby
-alias c='pry -r ./config/environment'
+alias c='pry -r ./config/environment' # Rails 3
+alias co='script/console --irb=pry' # Rails 2
 alias ts='thin start'
 alias ms='mongrel_rails start'
 alias tfdl='tail -f log/development.log'