diff --git a/pkgs/applications/version-management/git-and-tools/git-bz/default.nix b/pkgs/applications/version-management/git-and-tools/git-bz/default.nix
index 20e6a993cab2..eec9b7ea1246 100644
--- a/pkgs/applications/version-management/git-and-tools/git-bz/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/git-bz/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv, fetchgit
 , asciidoc, docbook_xml_dtd_45, docbook_xsl, libxslt, makeWrapper, xmlto
-, pythonPackages }:
+, python2Packages }:
 
 stdenv.mkDerivation {
   pname = "git-bz";
@@ -16,7 +16,7 @@ stdenv.mkDerivation {
     asciidoc docbook_xml_dtd_45 docbook_xsl libxslt makeWrapper xmlto
   ];
   buildInputs = []
-    ++ (with pythonPackages; [ python pysqlite ]);
+    ++ (with python2Packages; [ python pysqlite ]);
 
   postPatch = ''
     patchShebangs configure
@@ -27,8 +27,8 @@ stdenv.mkDerivation {
 
   postInstall = ''
     wrapProgram $out/bin/git-bz \
-      --prefix PYTHONPATH : "$(toPythonPath "${pythonPackages.pycrypto}")" \
-      --prefix PYTHONPATH : "$(toPythonPath "${pythonPackages.pysqlite}")"
+      --prefix PYTHONPATH : "$(toPythonPath "${python2Packages.pycrypto}")" \
+      --prefix PYTHONPATH : "$(toPythonPath "${python2Packages.pysqlite}")"
   '';
 
   meta = with lib; {