diff --git a/rowers/dataprepnodjango.py b/rowers/dataprepnodjango.py
index 70f009b2..229f6289 100644
--- a/rowers/dataprepnodjango.py
+++ b/rowers/dataprepnodjango.py
@@ -631,11 +631,11 @@ def delete_strokedata(id,debug=False):
     conn.close()
     engine.dispose()
 
-def update_strokedata(id,df,debug=False,bands=True,barchart=True,otwpower=True):
+def update_strokedata(id,df,debug=False):
     delete_strokedata(id,debug=debug)
     if debug:
         print "updating ",id
-    rowdata = dataprep(df,id=id,bands=False,barchart=True,otwpower=True,
+    rowdata = dataprep(df,id=id,bands=True,barchart=True,otwpower=True,
                        debug=debug)
 
     return rowdata