diff --git a/tupak/detector.py b/tupak/detector.py
index 35bd1a5fea7e8245c4788dfca3b2ee43c584e61d..3fc471c887993957fe6175918e4cd545fa0b53f9 100644
--- a/tupak/detector.py
+++ b/tupak/detector.py
@@ -342,7 +342,7 @@ class Interferometer(object):
         if frequency_domain_strain is not None:
             logging.info(
                 'Setting {} data using provided frequency_domain_strain'.format(self.name))
-            frequencies = utils.create_fequency_series(sampling_frequency, duration)
+            frequencies = utils.create_frequency_series(sampling_frequency, duration)
         elif from_power_spectral_density is not None:
             logging.info(
                 'Setting {} data using noise realization from provided'