'Time on page' column displayed in format MM:SS

plugins/Actions/Reports/Base.php

@@ -66,7 +66,9 @@ abstract class Base extends \Piwik\Plugin\Report
         ));
 
         // prettify avg_time_on_page column
-        $getPrettyTimeFromSeconds = '\Piwik\MetricsFormatter::getPrettyTimeFromSeconds';
+        $getPrettyTimeFromSeconds = function ($time) {
+            return MetricsFormatter::getPrettyTimeFromSeconds($time, false, true, false);
+        };
         $view->config->filters[] = array('ColumnCallbackReplace', array('avg_time_on_page', $getPrettyTimeFromSeconds));
 
         // prettify avg_time_generation column