diff --git a/pkgs/tools/audio/opl3bankeditor/default.nix b/pkgs/tools/audio/opl3bankeditor/default.nix
index 262d3dd389eb..0503f9bad694 100644
--- a/pkgs/tools/audio/opl3bankeditor/default.nix
+++ b/pkgs/tools/audio/opl3bankeditor/default.nix
@@ -1,6 +1,6 @@
-{ stdenv, fetchFromGitHub, cmake, qttools, alsaLib }:
+{ stdenv, mkDerivation, fetchFromGitHub, cmake, qttools, alsaLib }:
 
-stdenv.mkDerivation rec {
+mkDerivation rec {
   version = "1.5";
   pname = "OPL3BankEditor";