diff --git a/wayland/sway/build b/wayland/sway/build
index 1064a8f7..db74e96d 100755
--- a/wayland/sway/build
+++ b/wayland/sway/build
@@ -2,6 +2,11 @@
 
 patch -p1 < no-evdev.patch
 
+# Default background color.
+sed 's/0.25f, 0.25f, 0.25f/0.929, 0.870, 0.678/' \
+    sway/desktop/render.c > _
+mv -f _ sway/desktop/render.c
+
 export DESTDIR="$1"
 
 meson \