diff --git a/.bash_aliases b/.bash_aliases
index b830ee4..6a0bc2e 100644
--- a/.bash_aliases
+++ b/.bash_aliases
@@ -1,2 +1,8 @@
 alias dotfiles='git --git-dir=$HOME/dotfiles.git/ --work-tree=$HOME'
 alias nokeyssh="ssh -o PubkeyAuthentication=no"
+if [ `uname -s` == 'Linux' ] ; then
+  alias ls="ls --color=auto"
+fi
+if [ `uname -s` == 'BSD' ] ; then
+  alias ls="ls -G"
+fi