diff --git a/geomagio/Controller.py b/geomagio/Controller.py
index f985c4fae44d9ebbb3224f4b7398854fdb3bb231..2936101a518f57a81155751e885161b2b239bb62 100644
--- a/geomagio/Controller.py
+++ b/geomagio/Controller.py
@@ -190,6 +190,8 @@ class Controller(object):
             input_channels=options.inchannels,
             input_timeseries=input_timeseries,
             output_channels=options.outchannels,
+            input_interval=options.input_interval or options.interval,
+            output_interval=options.output_interval or options.interval,
             no_trim=options.no_trim,
             rename_input_channel=options.rename_input_channel,
             rename_output_channel=options.rename_output_channel,
@@ -222,6 +224,8 @@ class Controller(object):
             endtime=options.endtime,
             input_channels=options.inchannels,
             output_channels=options.outchannels,
+            input_interval=options.input_interval or options.interval,
+            output_interval=options.output_interval or options.interval,
             no_trim=options.no_trim,
             realtime=options.realtime,
             rename_input_channel=options.rename_input_channel,