diff --git a/rowers/dataprep.py b/rowers/dataprep.py
index 87073d1a..d116dbc0 100644
--- a/rowers/dataprep.py
+++ b/rowers/dataprep.py
@@ -492,6 +492,10 @@ def save_workout_database(f2,r,dosmooth=True,workouttype='rower',
 
     if dtavg < 1:
         newdf = df_resample(row.df)
+        try:
+            os.remove(f2)
+        except:
+            pass
         return new_workout_from_df(r,newdf,
                                    title=title)