diff --git a/geomagio/Controller.py b/geomagio/Controller.py
index 418e32b5ef43d2065315560b20f7e362645e27bf..b6d768b30a6032f499c0e433cb764646209a120f 100644
--- a/geomagio/Controller.py
+++ b/geomagio/Controller.py
@@ -187,7 +187,7 @@ class Controller(object):
             )
         processed = algorithm.process(timeseries)
         # trim if --no-trim is not set
-        if options.output_interval not in [None, "tenhertz", "second", "minute"]:
+        if options.output_interval in ["hour", "day"]:
             starttime = processed[0].stats.starttime
             endtime = processed[0].stats.endtime
         if not options.no_trim: