diff --git a/pkgs/applications/misc/wlclock/default.nix b/pkgs/applications/misc/wlclock/default.nix
index 64b728f4ac9d..cbd7c32bdd37 100644
--- a/pkgs/applications/misc/wlclock/default.nix
+++ b/pkgs/applications/misc/wlclock/default.nix
@@ -5,6 +5,7 @@
 , ninja
 , cmake
 , pkg-config
+, wayland-scanner
 , wayland-protocols
 , wayland
 , cairo
@@ -22,18 +23,23 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-aHA4kXHYH+KvAJSep5X3DqsiK6WFpXr3rGQl/KNiUcY=";
   };
 
+  depsBuildBuild = [
+    pkg-config
+  ];
+
   nativeBuildInputs = [
     meson
     ninja
     cmake
     pkg-config
+    scdoc
+    wayland-scanner
   ];
 
   buildInputs = [
     wayland-protocols
     wayland
     cairo
-    scdoc
   ];
 
   meta = with lib; {