diff --git a/examples/gw_examples/injection_examples/roq_example.py b/examples/gw_examples/injection_examples/roq_example.py
index 9b8b9d97a6f011f962ff083c9f894e71d6dde2f6..82f87d3e418620c5b86f136b2a81b0da7bfec3b7 100644
--- a/examples/gw_examples/injection_examples/roq_example.py
+++ b/examples/gw_examples/injection_examples/roq_example.py
@@ -59,7 +59,7 @@ waveform_generator = bilby.gw.WaveformGenerator(
 ifos = bilby.gw.detector.InterferometerList(['H1', 'L1', 'V1'])
 ifos.set_strain_data_from_power_spectral_densities(
     sampling_frequency=sampling_frequency, duration=duration,
-    start_time=injection_parameters['geocent_time'] - 3)
+    start_time=injection_parameters['geocent_time'] - 3 / scale_factor)
 ifos.inject_signal(waveform_generator=waveform_generator,
                    parameters=injection_parameters)
 for ifo in ifos: