diff --git a/rowers/datautils.py b/rowers/datautils.py
index 376c8d2d..bbaa6a31 100644
--- a/rowers/datautils.py
+++ b/rowers/datautils.py
@@ -72,7 +72,7 @@ def cpfit(powerdf):
         frac = abs(ddmin)/fitpoints.mean()
     
     ratio = fitpoints.mean()/fitpoints0.mean()
-        
+
     return p1,fitt,fitpower,ratio
 
 def getlogarr(maxt):
@@ -180,7 +180,7 @@ def getmaxwattinterval(tt,ww,i):
             if testres:
                 deltat = 1.0e-3*(t_0-t_1)
                 wmax = w_roll.ix[indexmax]
-                if wmax > 800 or wmax > 800/(5.0e04*deltat):
+                if wmax > 800 or wmax*5.0e-4*deltat > 800.0:
                     wmax = 0
             else:
                 wmax = 0