diff --git a/niri.nix b/niri.nix
index e82e178..d3f71c4 100644
--- a/niri.nix
+++ b/niri.nix
@@ -38,6 +38,8 @@
     };
   };
 
+  xdg.configFile."environment.d/xwayland.conf".text = "DISPLAY=:0\n";
+
   systemd.user.services.xwayland-satellite = {
     Unit = {
       Description = "Xwayland for niri";