diff --git a/bilby/gw/detector.py b/bilby/gw/detector.py
index 059da0b65c85a4a2c86d4b6dad2dab64254b662d..9f8713641cac45c8e68e4b9d4aa0e32668d4f83a 100644
--- a/bilby/gw/detector.py
+++ b/bilby/gw/detector.py
@@ -1711,7 +1711,7 @@ class Interferometer(object):
             raise NotImplementedError('Pickling of Interferometer is not supported in Python 2.'
                                       'Use Python 3 instead.')
 
-        res = deepsish.io.load(filename)
+        res = deepdish.io.load(filename)
         if res.__class__ != cls:
             raise TypeError('The loaded object is not an Interferometer')
         return res