diff --git a/tests/fprintd.py b/tests/fprintd.py
index a402356..9cef334 100755
--- a/tests/fprintd.py
+++ b/tests/fprintd.py
@@ -241,7 +241,7 @@ class FPrintdTest(dbusmock.DBusTestCase):
                 self.daemon.terminate()
             except OSError:
                 pass
-            self.daemon.wait(timeout=2)
+            self.assertLess(self.daemon.wait(timeout=2), 128)
 
         self.daemon = None