diff --git a/src/player/OfflinePlayer.php b/src/player/OfflinePlayer.php
index f04b79eac..7768bf62f 100644
--- a/src/player/OfflinePlayer.php
+++ b/src/player/OfflinePlayer.php
@@ -103,7 +103,7 @@ class OfflinePlayer implements IPlayer{
 	}
 
 	public function getFirstPlayed() : ?int{
-		return ($this->namedtag !== null and $this->namedtag->hasTag("firstPlayed", LongTag::class)) ? $this->namedtag->getInt("firstPlayed") : null;
+		return ($this->namedtag !== null and $this->namedtag->hasTag("firstPlayed", LongTag::class)) ? $this->namedtag->getLong("firstPlayed") : null;
 	}
 
 	public function getLastPlayed() : ?int{