diff --git a/scos_actions/actions/acquire_stepped_freq_tdomain_iq.py b/scos_actions/actions/acquire_stepped_freq_tdomain_iq.py
index 114d22c2..495be7e2 100644
--- a/scos_actions/actions/acquire_stepped_freq_tdomain_iq.py
+++ b/scos_actions/actions/acquire_stepped_freq_tdomain_iq.py
@@ -38,8 +38,6 @@
 import logging
 
 import numpy as np
-
-from scos_actions import utils
 from scos_actions.actions.acquire_single_freq_tdomain_iq import (
     CAL_ADJUST,
     DURATION_MS,
@@ -53,6 +51,8 @@
 from scos_actions.signals import measurement_action_completed
 from scos_actions.utils import get_parameter
 
+from scos_actions import utils
+
 logger = logging.getLogger(__name__)
 
 
@@ -93,7 +93,7 @@ def __call__(self, sensor: Sensor, schedule_entry: dict, task_id: int):
         for recording_id, measurement_params in enumerate(
             self.iterable_params, start=1
         ):
-            self.get_sigmf_builder(sensor, schedule_entry)
+            self.get_sigmf_builder(schedule_entry)
             self.configure(measurement_params)
             duration_ms = get_parameter(DURATION_MS, measurement_params)
             nskip = get_parameter(NUM_SKIP, measurement_params)