diff --git a/home/tiling/niri.nix b/home/tiling/niri.nix
index 177daf2..0f45d88 100644
--- a/home/tiling/niri.nix
+++ b/home/tiling/niri.nix
@@ -13,7 +13,7 @@
       environment = {
         QT_QPA_PLATFORM = "wayland";
         QT_QPA_PLATFORMTHEME = "qt6ct";
-        DISPLAY = null;
+        DISPLAY = ":0";
         XCURSOR_THEME = config.userOptions.cursor.name;
         XCURSOR_SIZE = toString config.userOptions.cursor.size;
       };