diff --git a/pkgs/tools/inputmethods/keymapper/default.nix b/pkgs/tools/inputmethods/keymapper/default.nix
index 46ed422f6913..4394d708cc10 100644
--- a/pkgs/tools/inputmethods/keymapper/default.nix
+++ b/pkgs/tools/inputmethods/keymapper/default.nix
@@ -8,6 +8,7 @@
 , pkg-config
 , udev
 , wayland
+, wayland-scanner
 , libxkbcommon
 , gtk3
 , libayatana-appindicator
@@ -30,6 +31,7 @@ stdenv.mkDerivation (finalAttrs: {
     pkg-config
     dbus
     wayland
+    wayland-scanner
     libX11
     udev
     libusb1