diff --git a/pkgs/applications/graphics/displaycal/default.nix b/pkgs/applications/graphics/displaycal/default.nix
index 821a9e8083e..7a4db535b2b 100644
--- a/pkgs/applications/graphics/displaycal/default.nix
+++ b/pkgs/applications/graphics/displaycal/default.nix
@@ -1,8 +1,19 @@
-{buildPythonPackage, stdenv, fetchurl, pkgconfig
- , libXext, libXxf86vm, libX11, libXrandr, libXinerama, libXScrnSaver
- , argyllcms, wxPython, numpy
+{ python2
+, stdenv
+, fetchurl
+, pkgconfig
+, libXext
+, libXxf86vm
+, libX11
+, libXrandr
+, libXinerama
+, libXScrnSaver
+, argyllcms
  }:
-buildPythonPackage {
+
+let
+  inherit (python2.pkgs) buildPythonApplication wxPython numpy;
+in buildPythonApplication {
   pname = "displaycal";
   version = "3.5.0.0";
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 47d6f70d236..874bfca762e 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -22529,7 +22529,7 @@ in
     opencv3 = opencv3WithoutCuda;
   };
 
-  displaycal = (newScope pythonPackages) ../applications/graphics/displaycal {};
+  displaycal = callPackage ../applications/graphics/displaycal {};
 
   drumkv1 = libsForQt5.callPackage ../applications/audio/drumkv1 { };