diff --git a/src/MemoryManager.php b/src/MemoryManager.php
index 0162f0be0e..06ed0656d9 100644
--- a/src/MemoryManager.php
+++ b/src/MemoryManager.php
@@ -71,7 +71,7 @@ use const SORT_NUMERIC;
 class MemoryManager{
 	private const DEFAULT_CHECK_RATE = Server::TARGET_TICKS_PER_SECOND;
 	private const DEFAULT_CONTINUOUS_TRIGGER_RATE = Server::TARGET_TICKS_PER_SECOND * 2;
-	private const DEEFAULT_TICKS_PER_GC = 30 * 60 * Server::TARGET_TICKS_PER_SECOND;
+	private const DEFAULT_TICKS_PER_GC = 30 * 60 * Server::TARGET_TICKS_PER_SECOND;
 
 	private int $memoryLimit;
 	private int $globalMemoryLimit;
@@ -139,7 +139,7 @@ class MemoryManager{
 		$this->continuousTrigger = $config->getPropertyBool("memory.continuous-trigger", true);
 		$this->continuousTriggerRate = $config->getPropertyInt("memory.continuous-trigger-rate", self::DEFAULT_CONTINUOUS_TRIGGER_RATE);
 
-		$this->garbageCollectionPeriod = $config->getPropertyInt("memory.garbage-collection.period", self::DEEFAULT_TICKS_PER_GC);
+		$this->garbageCollectionPeriod = $config->getPropertyInt("memory.garbage-collection.period", self::DEFAULT_TICKS_PER_GC);
 		$this->garbageCollectionTrigger = $config->getPropertyBool("memory.garbage-collection.low-memory-trigger", true);
 		$this->garbageCollectionAsync = $config->getPropertyBool("memory.garbage-collection.collect-async-worker", true);