diff --git a/src/DigiComp/Sniffs/Commenting/VariableCommentSniff.php b/src/DigiComp/Sniffs/Commenting/VariableCommentSniff.php
index d89c602..bb0eeda 100644
--- a/src/DigiComp/Sniffs/Commenting/VariableCommentSniff.php
+++ b/src/DigiComp/Sniffs/Commenting/VariableCommentSniff.php
@@ -15,6 +15,7 @@ class VariableCommentSniff extends \PHP_CodeSniffer\Standards\Squiz\Sniffs\Comme
             \T_PRIVATE => \T_PRIVATE,
             \T_PROTECTED => \T_PROTECTED,
             \T_VAR => \T_VAR,
+            \T_NULL => \T_NULL,
             \T_STATIC => \T_STATIC,
             \T_TYPE_UNION => \T_TYPE_UNION,
             \T_WHITESPACE => \T_WHITESPACE,
diff --git a/tests/DigiComp/Sniffs/Commenting/VariableCommentSniffTest.php b/tests/DigiComp/Sniffs/Commenting/VariableCommentSniffTest.php
index 45660f5..dbc98e5 100644
--- a/tests/DigiComp/Sniffs/Commenting/VariableCommentSniffTest.php
+++ b/tests/DigiComp/Sniffs/Commenting/VariableCommentSniffTest.php
@@ -9,6 +9,7 @@ class VariableCommentSniffTest extends TestCase
     public function testErrors(): void
     {
         $report = self::checkFile(__DIR__ . '/data/comments.php');
+        var_dump($report->getErrors());
         self::assertCount(1, $report->getWarnings()[20][6]);
         self::assertCount(2, $report->getErrors());
     }
diff --git a/tests/DigiComp/Sniffs/Commenting/data/comments.php b/tests/DigiComp/Sniffs/Commenting/data/comments.php
index 64a42e4..a4ff04c 100644
--- a/tests/DigiComp/Sniffs/Commenting/data/comments.php
+++ b/tests/DigiComp/Sniffs/Commenting/data/comments.php
@@ -40,7 +40,7 @@ class E extends A {
 
 class F extends A {
     /**
-     * @var A|E
+     * @var A|E|null|bool
      */
-    protected A|E $myVar;
+    protected A|E|null|bool $myVar;
 }