diff --git a/pkgs/development/python-modules/xarray/default.nix b/pkgs/development/python-modules/xarray/default.nix
index 7655dc932d5..b419e7f5cc7 100644
--- a/pkgs/development/python-modules/xarray/default.nix
+++ b/pkgs/development/python-modules/xarray/default.nix
@@ -26,6 +26,8 @@ buildPythonPackage rec {
   # There always seem to be broken tests...
   doCheck = false;
 
+  disabled = !isPy3k;
+
   meta = {
     description = "N-D labeled arrays and datasets in Python";
     homepage = https://github.com/pydata/xarray;