diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 0c74fc5e7682..02ab27e07e69 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -28221,6 +28221,9 @@ in modules // {
       sha256 = "0v8ziaam2r637v94ra4dbjw6jzxz99gs5x4i585kgag1v204yb9b";
     };
 
+    #https://bitbucket.org/fdik/pypeg/issues/36/test-failures-on-py35
+    doCheck = !isPy3k;
+
     meta = {
       description = "PEG parser interpreter in Python";
       homepage = http://fdik.org/pyPEG;