testing/test_xspec.py | 8 ++++++--

 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/testing/test_xspec.py b/testing/test_xspec.py

index 2218e73..91517c9 100644

--- a/testing/test_xspec.py

+++ b/testing/test_xspec.py

@@ -148,9 +148,13 @@ class TestMakegateway:

         remotenice = gw.remote_exec(getnice).receive()

         gw.exit()

         if remotenice is not None:

-            gw = makegateway("popen//nice=5")

+            LINUX_NICE_MAX = 19

+            # check for Linux

+            assert remotenice <= LINUX_NICE_MAX

+            nice = LINUX_NICE_MAX - remotenice

+            gw = makegateway("popen//nice={}".format(nice))

             remotenice2 = gw.remote_exec(getnice).receive()

-            assert remotenice2 == remotenice + 5

+            assert remotenice2 == remotenice + nice

     def test_popen_env(self, makegateway):

         gw = makegateway("popen//env:NAME123=123")