diff --git a/pkgs/applications/networking/instant-messengers/swift-im/default.nix b/pkgs/applications/networking/instant-messengers/swift-im/default.nix
index ce59d5746190..953ce2809c43 100644
--- a/pkgs/applications/networking/instant-messengers/swift-im/default.nix
+++ b/pkgs/applications/networking/instant-messengers/swift-im/default.nix
@@ -1,9 +1,9 @@
-{ stdenv, fetchurl, pkgconfig, qttools, scons
+{ mkDerivation, stdenv, fetchurl, pkgconfig, qttools, scons
 , GConf, avahi, boost, hunspell, libXScrnSaver, libedit, libidn, libnatpmp, libxml2
 , lua, miniupnpc, openssl, qtbase, qtmultimedia, qtsvg, qtwebkit, qtx11extras, zlib
 }:
 
-stdenv.mkDerivation rec {
+mkDerivation rec {
   pname = "swift-im";
   version = "4.0.2";