diff --git a/src/world/World.php b/src/world/World.php
index b66e76348..3a09be176 100644
--- a/src/world/World.php
+++ b/src/world/World.php
@@ -1161,6 +1161,7 @@ class World implements ChunkManager{
 	 * ticking.
 	 *
 	 * @return int[]
+	 * @phpstan-return list<ChunkPosHash>
 	 */
 	public function getTickingChunks() : array{
 		return array_keys($this->tickingChunks);