diff --git a/pkgs/applications/misc/cool-retro-term/default.nix b/pkgs/applications/misc/cool-retro-term/default.nix
index 67b9b601139..9ffa36adc12 100644
--- a/pkgs/applications/misc/cool-retro-term/default.nix
+++ b/pkgs/applications/misc/cool-retro-term/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchgit, makeQtWrapper, qtbase, qtquick1, qmltermwidget,
-qtquickcontrols, qtgraphicaleffects }:
+qtquickcontrols, qtgraphicaleffects, qmakeHook }:
 
 stdenv.mkDerivation rec {
   version = "1.0.0";
@@ -17,15 +17,9 @@ stdenv.mkDerivation rec {
   '';
 
   buildInputs = [ qtbase qtquick1 qmltermwidget qtquickcontrols qtgraphicaleffects ];
-  nativeBuildInputs = [ makeQtWrapper ];
+  nativeBuildInputs = [ makeQtWrapper qmakeHook ];
 
-  configurePhase = ''
-    runHook preConfigure
-    qmake PREFIX=$out
-    runHook postConfigure
-  '';
-
-  installPhase = "make -j $NIX_BUILD_CORES INSTALL_ROOT=$out install";
+  installFlags = [ "INSTALL_ROOT=$(out)" ];
 
   preFixup = ''
     mv $out/usr/share $out/share