diff --git a/zshrc b/zshrc
index bb75457..b5651b4 100644
--- a/zshrc
+++ b/zshrc
@@ -78,7 +78,7 @@ case `uname` in
   Linux)
     [ "$TMUX" = "" ] && \
       alias cls="printf '\ec'" || alias cls="clear && printf '\e[3J'"
-    alias ls='ls -F --colour=auto'
+    alias ls='ls -F --color=auto'
     alias debug='cgdb --args'
     ;;
   Darwin)