diff --git a/pkgs/additional/schlock/default.nix b/pkgs/additional/schlock/default.nix
index 2abb01481..aef581b9c 100644
--- a/pkgs/additional/schlock/default.nix
+++ b/pkgs/additional/schlock/default.nix
@@ -17,6 +17,7 @@
 , scdoc
 , wayland
 , wayland-protocols
+, wayland-scanner
 }:
 stdenv.mkDerivation rec {
   pname = "schlock";
@@ -35,6 +36,7 @@ stdenv.mkDerivation rec {
     ninja
     pkg-config
     scdoc
+    wayland-scanner
   ];
   buildInputs = [
     cairo