diff --git a/pkgs/desktops/kde-4/base/default.nix b/pkgs/desktops/kde-4/base/default.nix
index 4fff839769b5..a91b30542810 100644
--- a/pkgs/desktops/kde-4/base/default.nix
+++ b/pkgs/desktops/kde-4/base/default.nix
@@ -9,4 +9,5 @@ stdenv.mkDerivation {
   };
 
   propagatedBuildInputs = [kdepimlibs libusb];
+  buildInputs = [cmake];
 }