diff --git a/src/DebugBar/DataCollector/PDO/PDOCollector.php b/src/DebugBar/DataCollector/PDO/PDOCollector.php
index 2fbbce2..dede553 100644
--- a/src/DebugBar/DataCollector/PDO/PDOCollector.php
+++ b/src/DebugBar/DataCollector/PDO/PDOCollector.php
@@ -64,7 +64,7 @@ class PDOCollector extends DataCollector implements Renderable, AssetProvider
      */
     public function setSlowThreshold($threshold)
     {
-        $this->slowThreshold = $threshold;
+        $this->slowThreshold = $threshold / 1000;
     }
 
     /**