diff --git a/zsh/.zshrc b/zsh/.zshrc
index 6b98476..82314e6 100644
--- a/zsh/.zshrc
+++ b/zsh/.zshrc
@@ -17,7 +17,7 @@ zstyle ':completion:*' menu select
 zstyle ':completion:*' list-colors ''
 
 # fancy stuff only in X or ssh
-if [[ ! $(tty) =~ "/dev/tty.*" ]]; then
+if [[ $(uname -s) == Linux ]] && [[ ! $(tty) =~ /dev/tty.* ]]; then
 
   # aliases
   source $ZDOTDIR/aliases.zsh