diff --git a/src/pocketmine/Server.php b/src/pocketmine/Server.php
index f01273a4f..ddf6f4ac5 100644
--- a/src/pocketmine/Server.php
+++ b/src/pocketmine/Server.php
@@ -2583,7 +2583,8 @@ class Server{
 			$this->getLogger()->debug("[Auto Save] Saving worlds...");
 			$start = microtime(true);
 			$this->doAutoSave();
-			$this->getLogger()->debug("[Auto Save] Save completed in " . round(microtime(true) - $start, 3) . "s");
+			$time = (microtime(true) - $start);
+			$this->getLogger()->debug("[Auto Save] Save completed in " . ($time >= 1 ? round($time, 3) . "s" : round($time * 1000) . "ms"));
 		}
 
 		if($this->sendUsageTicker > 0 and --$this->sendUsageTicker === 0){