If average event value is empty, set it to 0 when creating event value tooltip.

1 files changed, 4 insertions, 1 deletions

diff --git a/plugins/Events/Events.php b/plugins/Events/Events.php
index ba3e96465d..406b7c94d1 100644
--- a/plugins/Events/Events.php
+++ b/plugins/Events/Events.php
@@ -197,13 +197,16 @@ class Events extends \Piwik\Plugin
 
     }
 
-    private function addTooltipEventValue($view)
+    private function addTooltipEventValue(ViewDataTable $view)
     {
         // Creates the tooltip message for Event Value column
         $tooltipCallback = function ($hits, $min, $max, $avg) {
             if (!$hits) {
                 return false;
             }
+
+            $avg = $avg ?: 0;
+
             $msgEventMinMax = Piwik::translate("Events_EventValueTooltip", array($hits, "<br />", $min, $max));
             $msgEventAvg = Piwik::translate("Events_AvgEventValue", $avg);
             return $msgEventMinMax . "<br/>" . $msgEventAvg;