diff --git a/config.in b/config.in
index 72523816e..9c751179f 100644
--- a/config.in
+++ b/config.in
@@ -21,7 +21,7 @@ set $menu dmenu_path | dmenu | xargs swaymsg exec
 
 ### Output configuration
 #
-# Default wallpaper (more resolutions are available in __DATADIR__/backgrounds/sway/)
+# Default wallpaper (more resolutions are available in @datadir@/backgrounds/sway/)
 output * bg @datadir@/backgrounds/sway/Sway_Wallpaper_Blue_1920x1080.png fill
 #
 # Example configuration: