diff --git a/zsh/aliases.zsh b/zsh/aliases.zsh
index d6ba8fd..6e5bc0a 100644
--- a/zsh/aliases.zsh
+++ b/zsh/aliases.zsh
@@ -144,7 +144,10 @@ alias gz='tar -zcvf'
 alias c='rails c' # Rails 3
 alias co='script/console' # Rails 2
 alias cod='script/console --debugger'
-alias ts='thin start -a 127.0.0.1'
+
+#If you want your thin to listen on a port for local VM development
+#export VM_IP=10.0.0.1 <-- your vm ip
+alias ts='thin start -a ${VM_IP:-127.0.0.1}'
 alias ms='mongrel_rails start'
 alias tfdl='tail -f log/development.log'
 alias tftl='tail -f log/test.log'