diff --git a/rowers/dataprep.py b/rowers/dataprep.py
index b4acbd56..7cd30d33 100644
--- a/rowers/dataprep.py
+++ b/rowers/dataprep.py
@@ -568,7 +568,11 @@ def save_workout_database(f2,r,dosmooth=True,workouttype='rower',
 
     workoutdate = row.rowdatetime.strftime('%Y-%m-%d')
     workoutstarttime = row.rowdatetime.strftime('%H:%M:%S')
-    workoutstartdatetime = thetimezone.localize(row.rowdatetime).astimezone(utc)
+    #workoutstartdatetime = row.rowdatetime
+    try:
+        workoutstartdatetime = thetimezone.localize(row.rowdatetime).astimezone(utc)
+    except ValueError:
+        workoutstartdatetime = row.rowdatetime
 
     if makeprivate:
         privacy = 'hidden'