diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index fae36c212c6e..00f3b0fd0d3e 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -9226,7 +9226,7 @@ let
 
   pysideShiboken = pythonPackages.pysideShiboken;
 
-  pyxml = callPackage ../development/python-modules/pyxml { };
+  pyxml = pythonPackages.pyxml;
 
   rbtools = pythonPackages.rbtools;
 
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 6ca2baeb35cd..cfb92eb5b8a7 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -177,6 +177,8 @@ in modules // {
 
   pysideTools = callPackage ../development/python-modules/pyside/tools.nix { };
 
+  pyxml = if !isPy3k then callPackage ../development/python-modules/pyxml{ } else throw "pyxml not supported for interpreter ${python.executable}";
+
   sip = callPackage ../development/python-modules/sip { };
 
   sip_4_16 = callPackage ../development/python-modules/sip/4.16.nix { };