diff --git a/src/test_driver/linux-cirque/OnOffClusterTest.py b/src/test_driver/linux-cirque/OnOffClusterTest.py
index f99909e262d355..0bd78f2c8a5246 100755
--- a/src/test_driver/linux-cirque/OnOffClusterTest.py
+++ b/src/test_driver/linux-cirque/OnOffClusterTest.py
@@ -119,7 +119,7 @@ def run_data_model_test(self):
                 "Thread initialized.",
                 "LightingManager::InitiateAction(ON_ACTION)",
                 "LightingManager::InitiateAction(OFF_ACTION)"
-                ]), "Datamodel test failed: cannot find matching string from device {}".format(device_id))
+            ]), "Datamodel test failed: cannot find matching string from device {}".format(device_id))
 
 
 if __name__ == "__main__":