diff --git a/rowers/views/analysisviews.py b/rowers/views/analysisviews.py
index 483ea122..9989cbd2 100644
--- a/rowers/views/analysisviews.py
+++ b/rowers/views/analysisviews.py
@@ -638,7 +638,11 @@ def cpdata(workouts, options):
     minutes = options['piece']
     if minutes != 0:
         # minutes = 77
-        hourvalue,tvalue = divmod(minutes,60)
+        try:
+            hourvalue,tvalue = divmod(minutes,60)
+        else:
+            hourvalue  = 0
+            tvalue = minutes
         # hourvalue = 1, tvalue = 17
         hourvalue = int(hourvalue)
         minutevalue = int(tvalue)
@@ -2426,6 +2430,11 @@ def rankings_view2(request,userid=0,
         velo = 500./p
         t = rankingdistance/velo
         pwr = 2.8*(velo**3)
+        try:
+            pwr = int(pwr)
+        except ValueError:
+            pwr = 0
+
         a = {'distance':rankingdistance,
              'duration':timedeltaconv(t),
              'pace':timedeltaconv(p),