diff --git a/rowers/dataprepnodjango.py b/rowers/dataprepnodjango.py
index e985de1c..d47f02ab 100644
--- a/rowers/dataprepnodjango.py
+++ b/rowers/dataprepnodjango.py
@@ -579,7 +579,7 @@ def smalldataprep(therows,xparam,yparam1,yparam2):
         
         
 def dataprep(rowdatadf,id=0,bands=True,barchart=True,otwpower=True,
-             empower=True,debug=True):
+             empower=True,debug=True,inboard=0.88):
 
     if rowdatadf.empty:
         return 0