diff --git a/dotfiles/xsession b/dotfiles/xsession
index 3eaff24..5b8bc7c 100755
--- a/dotfiles/xsession
+++ b/dotfiles/xsession
@@ -7,6 +7,9 @@ exec < /dev/null
 # Ensure we use the appropriate gtkrc-2.0 file
 export GTK2_RC_FILES=$HOME/.gtkrc-2.0
 
+# Prefer a dark theme
+export GTK_THEME=:dark
+
 # We do not want to rely on crappy mailcap
 export MAILCAPS=$HOME/.mailcap