diff --git a/pkgs/applications/video/vokoscreen/default.nix b/pkgs/applications/video/vokoscreen/default.nix
index e609c1cd3395..a38a9056c85c 100644
--- a/pkgs/applications/video/vokoscreen/default.nix
+++ b/pkgs/applications/video/vokoscreen/default.nix
@@ -1,9 +1,9 @@
-{ stdenv, fetchFromGitHub
+{ stdenv, fetchFromGitHub, mkDerivation
 , pkgconfig, qtbase, qttools, qmake, qtmultimedia, qtx11extras, alsaLib, libv4l, libXrandr
 , ffmpeg
 }:
 
-stdenv.mkDerivation rec {
+mkDerivation rec {
 
   pname = "vokoscreen";
   version = "2.5.8-beta";