diff --git a/pkgs/development/python-modules/plyplus/default.nix b/pkgs/development/python-modules/plyplus/default.nix
index 2b18d114f3f6..41327c6fc486 100644
--- a/pkgs/development/python-modules/plyplus/default.nix
+++ b/pkgs/development/python-modules/plyplus/default.nix
@@ -10,7 +10,7 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [ ply ];
 
-  disabled = isPy3k;
+  doCheck = !isPy3k;
 
   meta = {
     homepage = https://github.com/erezsh/plyplus;