diff --git a/bin/prompt-themes.sh b/bin/prompt-themes.sh
index 78ade68..628b45c 100755
--- a/bin/prompt-themes.sh
+++ b/bin/prompt-themes.sh
@@ -79,5 +79,7 @@ else
   export PS1='\[\033[01;34m\]\u@\h \[\033[01;32m\]\w\[\033[00m\] \$ '
 fi
 
+# ensure ls uses color
+alias ls='ls --color=auto'