diff --git a/rowers/views.py b/rowers/views.py
index cd06ba03..d18a4754 100644
--- a/rowers/views.py
+++ b/rowers/views.py
@@ -2069,9 +2069,9 @@ def multi_compare_view(request):
             yparam = chartform.cleaned_data['yparam']
             plottype = chartform.cleaned_data['plottype']
             teamid = chartform.cleaned_data['teamid']
-            ids = [w.id for w in workouts]
+            ids = [int(w.id) for w in workouts]
             labeldict = {
-                w.id: w.__unicode__() for w in workouts
+                int(w.id): w.__unicode__() for w in workouts
                 }
             
             res = interactive_multiple_compare_chart(ids,xparam,yparam,