diff --git a/xwrf/postprocess.py b/xwrf/postprocess.py
index 8e8ffda7..6aafd4d0 100644
--- a/xwrf/postprocess.py
+++ b/xwrf/postprocess.py
@@ -22,7 +22,7 @@ def _decode_times(ds: xr.Dataset) -> xr.Dataset:
         )
     except ValueError:
         _time = pd.to_datetime(
-            ds.Times.data.astype('str'), errors='raise', format='%Y-%m-%dT%H:%M:%S.%f'
+            ds.Times.data.astype('str'), errors='raise', format='%Y-%m-%dT%H:%M:%S'
         )
     ds = ds.assign_coords({'Time': _time})
     ds.Time.attrs = {'long_name': 'Time', 'standard_name': 'time'}