diff --git a/tests/pams/runners/test_sequential.py b/tests/pams/runners/test_sequential.py
index 4ad6b1a..9e60f08 100644
--- a/tests/pams/runners/test_sequential.py
+++ b/tests/pams/runners/test_sequential.py
@@ -26,13 +26,12 @@
 from pams.logs import SessionEndLog
 from pams.logs import SimulationBeginLog
 from pams.logs import SimulationEndLog
-from pams.runners import Runner
 from pams.runners import SequentialRunner
 from tests.pams.runners.test_base import TestRunner
 
 
 class TestSequentialRunner(TestRunner):
-    runner_class: Type[Runner] = SequentialRunner
+    runner_class: Type[SequentialRunner] = SequentialRunner
     default_setting: Dict = {
         "simulation": {
             "markets": ["Market"],