diff --git a/htdocs/debugbar/class/DataCollector/DolQueryCollector.php b/htdocs/debugbar/class/DataCollector/DolQueryCollector.php
index 575efb10fac..ca5aa284dd2 100644
--- a/htdocs/debugbar/class/DataCollector/DolQueryCollector.php
+++ b/htdocs/debugbar/class/DataCollector/DolQueryCollector.php
@@ -45,6 +45,7 @@ class DolQueryCollector extends DataCollector implements Renderable, AssetProvid
 			$queries[] = array(
 				'sql' => $query['sql'],
 				'duration' => $query['duration'],
+				'duration_str' => round($query['duration'] * 1000, 2),
 				'memory' => $query['memory_usage'],
 				'is_success' => $query['is_success'],
 				'error_code' => $query['error_code'],