diff --git a/rowers/interactiveplots.py b/rowers/interactiveplots.py
index be61191e..0dc9ba73 100644
--- a/rowers/interactiveplots.py
+++ b/rowers/interactiveplots.py
@@ -1714,7 +1714,7 @@ def interactive_comparison_chart(id1=0,id2=0,xparam='distance',yparam='spm',
 		seconds = ["%S"],
 		minutes = ["%M"]
 	    )
-
+        plot.y_range = Range1d(ymin,ymax)
     #plot.y_range = Range1d(ymin,ymax)
 
     hover = plot.select(dict(type=HoverTool))