diff --git a/src/network/BandwidthStatsTracker.php b/src/network/BandwidthStatsTracker.php
index 0f0358dd1..5d0b6e6c1 100644
--- a/src/network/BandwidthStatsTracker.php
+++ b/src/network/BandwidthStatsTracker.php
@@ -39,6 +39,7 @@ final class BandwidthStatsTracker{
 	/** @var int */
 	private $totalBytes = 0;
 
+	/** @phpstan-param positive-int $historySize */
 	public function __construct(int $historySize){
 		$this->history = array_fill(0, $historySize, 0);
 	}
diff --git a/src/network/BidirectionalBandwidthStatsTracker.php b/src/network/BidirectionalBandwidthStatsTracker.php
index a4cf3f6a4..f9ed1a564 100644
--- a/src/network/BidirectionalBandwidthStatsTracker.php
+++ b/src/network/BidirectionalBandwidthStatsTracker.php
@@ -31,6 +31,7 @@ final class BidirectionalBandwidthStatsTracker{
 	/** @var BandwidthStatsTracker */
 	private $receive;
 
+	/** @phpstan-param positive-int $historySize */
 	public function __construct(int $historySize){
 		$this->send = new BandwidthStatsTracker($historySize);
 		$this->receive = new BandwidthStatsTracker($historySize);