diff --git a/src/contracts/Output/Generator.php b/src/contracts/Output/Generator.php
index bb22b96e..2086294e 100644
--- a/src/contracts/Output/Generator.php
+++ b/src/contracts/Output/Generator.php
@@ -197,8 +197,8 @@ public function valueElement(string $name, $value): void
     }
 
     /**
-     * @phpstan-param scalar $value
-     * @phpstan-param array<string, scalar> $attributes
+     * @phpstan-param scalar|null $value
+     * @phpstan-param array<string, scalar|null> $attributes
      */
     abstract public function startValueElement(string $name, $value, array $attributes = []): void;