diff --git a/selfdrive/manager/test/test_manager.py b/selfdrive/manager/test/test_manager.py
index 04af87d9c8..1ae94b26a1 100755
--- a/selfdrive/manager/test/test_manager.py
+++ b/selfdrive/manager/test/test_manager.py
@@ -40,7 +40,7 @@ class TestManager(unittest.TestCase):
     # TODO: ensure there are blacklisted procs until we have a dedicated test
     self.assertTrue(len(BLACKLIST_PROCS), "No blacklisted procs to test not_run")
 
-  @parameterized.expand(range(10))
+  @parameterized.expand([(i,) for i in range(10)])
   def test_startup_time(self, index):
     start = time.monotonic()
     os.environ['PREPAREONLY'] = '1'
diff --git a/selfdrive/navd/tests/test_navd.py b/selfdrive/navd/tests/test_navd.py
index e2a5944c2b..014b1a32a1 100755
--- a/selfdrive/navd/tests/test_navd.py
+++ b/selfdrive/navd/tests/test_navd.py
@@ -4,6 +4,8 @@ import random
 import unittest
 import numpy as np
 
+from parameterized import parameterized
+
 import cereal.messaging as messaging
 from openpilot.common.params import Params
 from openpilot.selfdrive.manager.process_config import managed_processes
@@ -50,11 +52,11 @@ class TestNavd(unittest.TestCase):
     }
     self._check_route(start, end)
 
-  def test_random(self):
-    for _ in range(10):
-      start = {"latitude": random.uniform(-90, 90), "longitude": random.uniform(-180, 180)}
-      end = {"latitude": random.uniform(-90, 90), "longitude": random.uniform(-180, 180)}
-      self._check_route(start, end, check_coords=False)
+  @parameterized.expand([(i,) for i in range(10)])
+  def test_random(self, index):
+    start = {"latitude": random.uniform(-90, 90), "longitude": random.uniform(-180, 180)}
+    end = {"latitude": random.uniform(-90, 90), "longitude": random.uniform(-180, 180)}
+    self._check_route(start, end, check_coords=False)
 
 
 if __name__ == "__main__":