diff --git a/rowers/interactiveplots.py b/rowers/interactiveplots.py
index 19197f0a..ad91b1b0 100644
--- a/rowers/interactiveplots.py
+++ b/rowers/interactiveplots.py
@@ -15,6 +15,7 @@ from rowingdata import cumcpdata,histodata
 from rowingdata import rowingdata as rrdata
 from math import pi
 from django.utils import timezone
+from rowingdata import make_cumvalues
 
 from bokeh.palettes import Dark2_8 as palette
 from bokeh.models.glyphs import MultiLine
@@ -4780,6 +4781,10 @@ def interactive_multiple_compare_chart(ids,xparam,yparam,plottype='line',
 
 
         group.sort_values(by='time',ascending=True,inplace=True)
+        print(xparam)
+        if xparam == 'cumdist':
+            res = make_cumvalues(group[xparam])
+            group[xparam] = res[0]
         try:
             group['x'] = group[xparam]
         except KeyError: