diff --git a/test/detector_tests.py b/test/detector_tests.py
index 2169dbc887de5186e7afec84a886af0e2efa67da..4b6abf9666b2e77c813df2f3b322a6b9ffc10dda 100644
--- a/test/detector_tests.py
+++ b/test/detector_tests.py
@@ -364,6 +364,7 @@ class TestInterferometerStrainData(unittest.TestCase):
         time_array = tupak.core.utils.create_time_series(
             sampling_frequency=sampling_frequency, duration=duration)
         time_domain_strain = np.random.normal(0, 1, len(time_array))
+        self.ifosd.roll_off = 0
         self.ifosd.set_from_time_domain_strain(
             time_domain_strain=time_domain_strain, duration=duration,
             sampling_frequency=sampling_frequency)