diff --git a/pkgs/tools/misc/kdecoration-viewer/default.nix b/pkgs/tools/misc/kdecoration-viewer/default.nix
index 5c2e410cd93..ce343c7cc39 100644
--- a/pkgs/tools/misc/kdecoration-viewer/default.nix
+++ b/pkgs/tools/misc/kdecoration-viewer/default.nix
@@ -1,7 +1,7 @@
-{ stdenv, fetchFromGitHub
+{ stdenv, fetchFromGitHub, mkDerivation
 , cmake, extra-cmake-modules, qtquickcontrols, kconfigwidgets, kdeclarative, kdecoration }:
 
-stdenv.mkDerivation rec {
+mkDerivation rec {
   name = "kdecoration-viewer-2018-07-24";
 
   src = fetchFromGitHub {