diff --git a/pkgs/applications/graphics/dosage/default.nix b/pkgs/applications/graphics/dosage/default.nix
index cf5ecfdd043f..e26886b070e5 100644
--- a/pkgs/applications/graphics/dosage/default.nix
+++ b/pkgs/applications/graphics/dosage/default.nix
@@ -1,6 +1,6 @@
-{ stdenv, pythonPackages, fetchFromGitHub }:
+{ stdenv, python3Packages, fetchFromGitHub }:
 
-pythonPackages.buildPythonApplication rec {
+python3Packages.buildPythonApplication rec {
   pname = "dosage";
   version = "2018.04.08";
   PBR_VERSION = version;
@@ -11,10 +11,10 @@ pythonPackages.buildPythonApplication rec {
     rev = "b2fdc13feb65b93762928f7e99bac7b1b7b31591";
     sha256 = "1p6vllqaf9s6crj47xqp97hkglch1kd4y8y4lxvzx3g2shhhk9hh";
   };
-  checkInputs = with pythonPackages; [ pytest responses ];
-  propagatedBuildInputs = with pythonPackages; [ colorama lxml requests pbr ];
+  checkInputs = with python3Packages; [ pytest responses ];
+  propagatedBuildInputs = with python3Packages; [ colorama lxml requests pbr setuptools ];
 
-  disabled = pythonPackages.pythonOlder "3.3";
+  disabled = python3Packages.pythonOlder "3.3";
 
   checkPhase = ''
     py.test tests/
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 8c3639c5fe25..f4a035f494b0 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1575,9 +1575,7 @@ in
 
   dokuwiki = callPackage ../servers/web-apps/dokuwiki { };
 
-  dosage = callPackage ../applications/graphics/dosage {
-    pythonPackages = python3Packages;
-  };
+  dosage = callPackage ../applications/graphics/dosage { };
 
   dozenal = callPackage ../applications/misc/dozenal { };