diff --git a/src/data/runtime/RuntimeDataReader.php b/src/data/runtime/RuntimeDataReader.php
index ded875385b..280a0f4996 100644
--- a/src/data/runtime/RuntimeDataReader.php
+++ b/src/data/runtime/RuntimeDataReader.php
@@ -29,6 +29,7 @@ use pocketmine\block\utils\WallConnectionType;
 use pocketmine\math\Axis;
 use pocketmine\math\Facing;
 use pocketmine\utils\AssumptionFailedError;
+use function intdiv;
 
 final class RuntimeDataReader implements RuntimeDataDescriber{
 	use RuntimeEnumDeserializerTrait;