diff --git a/rowers/datautils.py b/rowers/datautils.py
index 824a3278..10f5cd13 100644
--- a/rowers/datautils.py
+++ b/rowers/datautils.py
@@ -319,13 +319,13 @@ def getmaxwattinterval(tt,ww,i):
         #        indexmaxpos = indexmax.get_loc(indexmax)
         indexmaxpos = indexmax
         try:
-            t_0 = tt.ix[indexmaxpos]
-            t_1 = tt.ix[indexmaxpos-i]
-            deltas = tt.ix[indexmaxpos-i:indexmaxpos].diff().dropna()
+            t_0 = tt.loc[indexmaxpos]
+            t_1 = tt.loc[indexmaxpos-i]
+            deltas = tt.loc[indexmaxpos-i:indexmaxpos].diff().dropna()
             testres = 1.0e-3*deltas.max() < 30.
             if testres:
                 deltat = 1.0e-3*(t_0-t_1)
-                wmax = w_roll.ix[indexmaxpos]
+                wmax = w_roll.loc[indexmaxpos]
                 #if wmax > 800 or wmax*5.0e-4*deltat > 800.0:
                 #    wmax = 0
             else:
diff --git a/rowers/forms.py b/rowers/forms.py
index 0b51fc76..383e138b 100644
--- a/rowers/forms.py
+++ b/rowers/forms.py
@@ -1189,7 +1189,7 @@ class FusionMetricChoiceForm(ModelForm):
             labeldict = {key:value for key,value in self.fields['columns'].choices}
 
             for label in labeldict:
-                if df.ix[:,label].std() == 0:
+                if df.loc[:,label].std() == 0:
                     try:
                         formaxlabels2.pop(label)
                     except KeyError: