Index: chart.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/chart/chart.module,v
retrieving revision 1.15
diff -u -r1.15 chart.module
--- chart.module	14 Jul 2009 02:45:33 -0000	1.15
+++ chart.module	2 Oct 2009 13:49:06 -0000
@@ -416,7 +416,7 @@
     if ($max[$chart_id] > $resoluton){
       $divider = round($max[$chart_id] / $resoluton, 1);
     }
-    else {
+    elseif ($max[$chart_id] != 0) {
       $multiplier = round($resoluton / $max[$chart_id], 1);
     }