diff --git a/rowers/uploads.py b/rowers/uploads.py
index 11a3ef7c..2a5456bc 100644
--- a/rowers/uploads.py
+++ b/rowers/uploads.py
@@ -585,7 +585,7 @@ def do_sync(w,options, quick=False):
             )
             with open('st_export.log','a') as logfile:
                 logfile.write(str(timezone.now())+': ')
-                logfile.write('Workout uploaded '+w.id+'\n')
+                logfile.write('Workout uploaded '+str(w.id)+'\n')
         except NoTokenError:
             with open('st_export.log','a') as logfile:
                 logfile.write(str(timezone.now())+': ')