diff --git a/pkgs/applications/window-managers/larswm/default.nix b/pkgs/applications/window-managers/larswm/default.nix
index 21ea00d110e0..4ec1a4bcd059 100644
--- a/pkgs/applications/window-managers/larswm/default.nix
+++ b/pkgs/applications/window-managers/larswm/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, imake, libX11, libXext, libXmu}:
+{ stdenv, fetchurl, imake, gccmakedep, libX11, libXext, libXmu }:
 
 stdenv.mkDerivation {
   name = "larswm-7.5.3";
@@ -8,13 +8,11 @@ stdenv.mkDerivation {
     sha256 = "1xmlx9g1nhklxjrg0wvsya01s4k5b9fphnpl9zdwp29mm484ni3v";
   };
 
-  buildInputs = [ imake libX11 libXext libXmu ];
+  nativeBuildInputs = [ imake gccmakedep ];
+  buildInputs = [ libX11 libXext libXmu ];
 
-  configurePhase = ''
-    xmkmf
-    makeFlags="BINDIR=$out/bin MANPATH=$out/share/man"
-    installTargets="install install.man"
-  '';
+  makeFlags = [ "BINDIR=$(out)/bin" "MANPATH=$(out)/share/man" ];
+  installTargets = "install install.man";
 
   meta = {
     homepage = http://www.fnurt.net/larswm;