diff --git a/packages/niri.nix b/packages/niri.nix
index 9c51d11..ef73c23 100644
--- a/packages/niri.nix
+++ b/packages/niri.nix
@@ -21,6 +21,8 @@ let
         input = {
           keyboard = {
             xkb.layout = "de";
+            xkb.variant = "T3";
+            xkb.options = "compose:caps";
             numlock = null;
           };
           touchpad = {