diff --git a/themes/bira.zsh-theme b/themes/bira.zsh-theme
index 215720477..5d9dcda63 100644
--- a/themes/bira.zsh-theme
+++ b/themes/bira.zsh-theme
@@ -19,3 +19,7 @@ RPS1="${return_code}"
 
 ZSH_THEME_GIT_PROMPT_PREFIX="%{$fg[yellow]%}‹"
 ZSH_THEME_GIT_PROMPT_SUFFIX="› %{$reset_color%}"
+
+# See http://geoff.greer.fm/lscolors/
+export LSCOLORS="exfxcxdxbxbxbxbxbxbxbx"
+export LS_COLORS="di=34;40:ln=35;40:so=32;40:pi=33;40:ex=31;40:bd=31;40:cd=31;40:su=31;40:sg=31;40:tw=31;40:ow=31;40:"