diff --git a/core/ViewDataTable/Sparkline.php b/core/ViewDataTable/Sparkline.php
index <HASH>..<HASH> 100644
--- a/core/ViewDataTable/Sparkline.php
+++ b/core/ViewDataTable/Sparkline.php
@@ -108,7 +108,10 @@ class Sparkline extends ViewDataTable
         $columns = $this->viewProperties['columns_to_display'];
         $columnToPlot = false;
         if (!empty($columns)) {
-            $columnToPlot = $columns[0];
+            $columnToPlot = reset($columns);
+            if ($columnToPlot == 'label') {
+                $columnToPlot = next($columns);
+            }
         }
         $values = false;
         // a Set is returned when using the normal code path to request data from Archives, in all core plugins
diff --git a/plugins/MultiSites/Controller.php b/plugins/MultiSites/Controller.php
index <HASH>..<HASH> 100644
--- a/plugins/MultiSites/Controller.php
+++ b/plugins/MultiSites/Controller.php
@@ -226,7 +226,6 @@ class Controller extends \Piwik\Controller
             $api = "Goals.get";
         }
         $view = $this->getLastUnitGraph($this->pluginName, __FUNCTION__, $api);
-        $view->columns_to_display = $columns;
         return $this->renderView($view, $fetch);
     }
 }
Fix regression in MultiSites controller (sparklines would not display).