diff --git a/rowers/garmin_stuff.py b/rowers/garmin_stuff.py
index 6e8d851f..ec731b31 100644
--- a/rowers/garmin_stuff.py
+++ b/rowers/garmin_stuff.py
@@ -14,6 +14,7 @@ import pandas as pd
 import numpy
 import json
 from json.decoder import JSONDecodeError
+from uuid import uuid4
 
 from rowsandall_app.settings import (
     GARMIN_CLIENT_KEY, GARMIN_REDIRECT_URI, GARMIN_CLIENT_SECRET
@@ -166,7 +167,10 @@ def garmin_getworkout(garminid,r,activity):
     try:
         w = Workout.objects.get(uploadedtogarmin=garminid)
     except Workout.DoesNotExist:
-        newcsvfile='media/garmin{code}_{importid}.csv'
+        newcsvfile='media/garmin{code}_{importid}.csv'.format(
+            code=uuid4().hex[:16],
+            importid=garminid,
+        )
         w = Workout(user=r,csvfilename=newcsvfile)
 
     utc_offset = datetime.timedelta(seconds=offset)
diff --git a/rowers/tasks.py b/rowers/tasks.py
index 86fbdcc1..d8d58a7c 100644
--- a/rowers/tasks.py
+++ b/rowers/tasks.py
@@ -17,7 +17,7 @@ from scipy import optimize
 from scipy.signal import savgol_filter
 
 import rowingdata
-
+from uuid import uuid4
 from rowingdata import rowingdata as rdata
 from datetime import timedelta
 from sqlalchemy import create_engine