diff --git a/dot_config/xmonad.yml.tmpl b/dot_config/xmonad.yml.tmpl
index 053d802..d2a841d 100644
--- a/dot_config/xmonad.yml.tmpl
+++ b/dot_config/xmonad.yml.tmpl
@@ -10,3 +10,4 @@ features:
   virtualbox: {{ .features.virtualbox }}
   xsane: {{ .features.xsane }}
   battery: {{ .laptop }}
+  ethPrefix: eth