diff --git a/rowers/forms.py b/rowers/forms.py
index d7210ac4..8e35e8c4 100644
--- a/rowers/forms.py
+++ b/rowers/forms.py
@@ -298,12 +298,19 @@ class FusionMetricChoiceForm(ModelForm):
         super(FusionMetricChoiceForm, self).__init__(*args, **kwargs)
         # need to add code to remove "empty" fields
 
-        id = self.instance.id
-        df = dataprep.getrowdata_db(id=id)
+        if self.instance.id is not None:
+            id = self.instance.id
+            df = dataprep.getrowdata_db(id=id)[0]
 
-        labeldict = {key:value for key,value in metricchoices}
+            labeldict = {key:value for key,value in self.fields['columns'].choices}
         
-        for label in labeldict:
-            if df[label].std() == 0:
-                self.fields['columns'].choices.remove((label, labeldict[label]))
+            for label in labeldict:
+                if df.ix[:,label].std() == 0:
+                    try:
+                        formaxlabels.pop(label)
+                    except KeyError:
+                        pass
+                    
+                    metricchoices = list(sorted(formaxlabels.items(), key = lambda x:x[1]))
+                    self.fields['columns'].choices = metricchoices
 
diff --git a/rowers/views.py b/rowers/views.py
index 6a5ccf3b..a5df9370 100644
--- a/rowers/views.py
+++ b/rowers/views.py
@@ -5079,7 +5079,7 @@ def workout_summary_restore_view(request,id,message="",successmessage=""):
     return HttpResponseRedirect(url)
 
 # Fuse two workouts
-@login_required()
+@user_passes_test(ispromember,login_url="/",redirect_field_name=None)
 def workout_fusion_view(request,id1=0,id2=1):
     try:
         w1 = Workout.objects.get(id=id1)
@@ -5092,7 +5092,7 @@ def workout_fusion_view(request,id1=0,id2=1):
         raise Http404("One of the workouts doesn't exist")
 
     if request.method == 'POST':
-        form = FusionMetricChoiceForm(request.POST)
+        form = FusionMetricChoiceForm(request.POST,instance=w2)
         if form.is_valid():
             cd = form.cleaned_data
             columns = cd['columns']