diff --git a/Lib/test/test_posix.py b/Lib/test/test_posix.py
index a0fefbc..3fe791b 100644
--- a/Lib/test/test_posix.py
+++ b/Lib/test/test_posix.py
@@ -868,7 +868,11 @@
         self.assertRaises(OSError, posix.sched_getparam, -1)
         param = posix.sched_getparam(0)
         self.assertIsInstance(param.sched_priority, int)
-        posix.sched_setscheduler(0, mine, param)
+        try:
+            posix.sched_setscheduler(0, mine, param)
+        except OSError as e:
+            if e.errno != errno.EPERM:
+                raise
         posix.sched_setparam(0, param)
         self.assertRaises(OSError, posix.sched_setparam, -1, param)
         self.assertRaises(OSError, posix.sched_setscheduler, -1, mine, param)