diff --git a/src/allmydata/test/cli/test_run.py b/src/allmydata/test/cli/test_run.py
index db01eb440..902e4011a 100644
--- a/src/allmydata/test/cli/test_run.py
+++ b/src/allmydata/test/cli/test_run.py
@@ -151,7 +151,7 @@ class RunTests(SyncTestCase):
     """
     Tests for ``run``.
     """
-    @skipIf(platform.isWindows(), "There are no PID files on Windows.")
+
     def test_non_numeric_pid(self):
         """
         If the pidfile exists but does not contain a numeric value, a complaint to