diff --git a/pkgs/applications/version-management/tortoisehg/default.nix b/pkgs/applications/version-management/tortoisehg/default.nix
index e5c704f71c7..fd61e490402 100644
--- a/pkgs/applications/version-management/tortoisehg/default.nix
+++ b/pkgs/applications/version-management/tortoisehg/default.nix
@@ -1,6 +1,6 @@
-{lib, fetchurl, mercurial, pythonPackages}:
+{lib, fetchurl, mercurial, python2Packages}:
 
-pythonPackages.buildPythonApplication rec {
+python2Packages.buildPythonApplication rec {
     name = "tortoisehg-${version}";
     version = "3.9.2";
 
@@ -9,15 +9,15 @@ pythonPackages.buildPythonApplication rec {
       sha256 = "17wcsf91z7dnb7c8vyagasj5vvmas6ms5lx1ny4pnm94qzslkfh2";
     };
 
-    pythonPath = with pythonPackages; [ pyqt4 mercurial qscintilla iniparse ];
+    pythonPath = with python2Packages; [ pyqt4 mercurial qscintilla iniparse ];
 
-    propagatedBuildInputs = with pythonPackages; [ qscintilla iniparse ];
+    propagatedBuildInputs = with python2Packages; [ qscintilla iniparse ];
 
     doCheck = false;
     dontStrip = true;
     buildPhase = "";
     installPhase = ''
-      ${pythonPackages.python.executable} setup.py install --prefix=$out
+      ${python2Packages.python.executable} setup.py install --prefix=$out
       ln -s $out/bin/thg $out/bin/tortoisehg     #convenient alias
     '';