diff --git a/pkgs/development/interpreters/pypy/2.4/default.nix b/pkgs/development/interpreters/pypy/2.4/default.nix
index 9cc19a220597..4f4b8869a40c 100644
--- a/pkgs/development/interpreters/pypy/2.4/default.nix
+++ b/pkgs/development/interpreters/pypy/2.4/default.nix
@@ -70,7 +70,7 @@ let
        # disable sqlite3 due to https://bugs.pypy.org/issue1740
        # disable test_multiprocessing due to transient errors
        # disable test_os because test_urandom_failure fails
-      ./pypy-c ./pypy/test_all.py --pypy=./pypy-c -k '-test_sqlite -test_socket -test_os -test_shutil -test_mhlib -test_multiprocessing' lib-python
+      ./pypy-c ./pypy/test_all.py --pypy=./pypy-c -k 'not (test_sqlite or test_socket or test_os or test_shutil or test_mhlib or test_multiprocessing)' lib-python
     '';
 
     installPhase = ''