diff --git a/pkgs/development/python-modules/shouldbe/default.nix b/pkgs/development/python-modules/shouldbe/default.nix
index 9ec7e457417..ccff9ff4b9f 100644
--- a/pkgs/development/python-modules/shouldbe/default.nix
+++ b/pkgs/development/python-modules/shouldbe/default.nix
@@ -14,11 +14,9 @@ buildPythonPackage rec {
     sha256 = "16zbvjxf71dl4yfbgcr6idyim3mdrfvix1dv8b95p0s9z07372pj";
   };
 
-  buildInputs = [ nose ];
+  checkInputs = [ nose ];
   propagatedBuildInputs = [ forbiddenfruit ];
 
-  doCheck = false;  # Segmentation fault on py 3.5
-
   meta = with stdenv.lib; {
     description = "Python Assertion Helpers inspired by Shouldly";
     homepage =  https://pypi.python.org/pypi/shouldbe/;