diff --git a/lib/torque/provider.json.js b/lib/torque/provider.json.js
index 1331e67..4fea510 100644
--- a/lib/torque/provider.json.js
+++ b/lib/torque/provider.json.js
@@ -383,6 +383,11 @@
         refresh = true;
       }
 
+      if(opt.countby !== undefined && opt.countby !== this.options.countby) {
+        this.options.countby = opt.countby;
+        refresh = true;
+      }
+
       if(opt.data_aggregation !== undefined) {
         var c = opt.data_aggregation === 'cumulative';
         if (this.options.cumulative !== c) {