diff --git a/pkgs/development/libraries/kde-frameworks/kidletime.nix b/pkgs/development/libraries/kde-frameworks/kidletime.nix
index 522e3a2a5de3..cbc94c1bd472 100644
--- a/pkgs/development/libraries/kde-frameworks/kidletime.nix
+++ b/pkgs/development/libraries/kde-frameworks/kidletime.nix
@@ -1,13 +1,12 @@
-{
-  mkDerivation,
-  extra-cmake-modules,
-  qtbase, qtx11extras,
-  wayland, wayland-protocols, plasma-wayland-protocols
+{ mkDerivation
+, extra-cmake-modules, wayland-scanner
+, qtbase, qtx11extras
+, wayland, wayland-protocols, plasma-wayland-protocols
 }:
 
 mkDerivation {
   pname = "kidletime";
-  nativeBuildInputs = [ extra-cmake-modules ];
+  nativeBuildInputs = [ extra-cmake-modules wayland-scanner ];
   buildInputs = [ qtx11extras wayland wayland-protocols plasma-wayland-protocols ];
   propagatedBuildInputs = [ qtbase ];
 }