diff --git a/web/static/js/swapp.ls b/web/static/js/swapp.ls
index 65cd7a6..915b55a 100644
--- a/web/static/js/swapp.ls
+++ b/web/static/js/swapp.ls
@@ -383,6 +383,8 @@ export class TimeSeries
 
     @xScale = d3.scaleTime().domain(@xDataExtent)
     @yScale = d3.scaleLinear().domain(@yDataExtent)
+    # Domain on a log scale MUST NOT cross zero
+#    @yScale = d3.scaleLog().domain(@yDataExtent)
 
     formatMillisecond = d3.timeFormat(".%L")
     formatSecond = d3.timeFormat(":%S")
--
libgit2 0.21.2