diff --git a/src/Rules/NoArrayAccessOnObjectRule.php b/src/Rules/NoArrayAccessOnObjectRule.php
index 167c7f17..b481d708 100644
--- a/src/Rules/NoArrayAccessOnObjectRule.php
+++ b/src/Rules/NoArrayAccessOnObjectRule.php
@@ -30,6 +30,7 @@ final class NoArrayAccessOnObjectRule implements Rule
         'SplFixedArray',
         'SimpleXMLElement',
         'Iterator',
+        'WeakMap',
         'Aws\ResultInterface',
         'Symfony\Component\Form\FormInterface',
         'Symfony\Component\OptionsResolver\Options',
diff --git a/tests/Rules/NoArrayAccessOnObjectRule/Fixture/SkipWeakMap.php b/tests/Rules/NoArrayAccessOnObjectRule/Fixture/SkipWeakMap.php
new file mode 100644
index 00000000..90706623
--- /dev/null
+++ b/tests/Rules/NoArrayAccessOnObjectRule/Fixture/SkipWeakMap.php
@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\TypePerfect\Tests\Rules\NoArrayAccessOnObjectRule\Fixture;
+
+use WeakMap;
+
+final class SkipWeakMap
+{
+    public function run(WeakMap $weakMap)
+    {
+        return $weakMap[0];
+    }
+}
diff --git a/tests/Rules/NoArrayAccessOnObjectRule/NoArrayAccessOnObjectRuleTest.php b/tests/Rules/NoArrayAccessOnObjectRule/NoArrayAccessOnObjectRuleTest.php
index 7b5030f0..1102168e 100644
--- a/tests/Rules/NoArrayAccessOnObjectRule/NoArrayAccessOnObjectRuleTest.php
+++ b/tests/Rules/NoArrayAccessOnObjectRule/NoArrayAccessOnObjectRuleTest.php
@@ -29,6 +29,7 @@ public static function provideData(): Iterator
         yield [__DIR__ . '/Fixture/SkipIterator.php', []];
         yield [__DIR__ . '/Fixture/SkipOnArray.php', []];
         yield [__DIR__ . '/Fixture/SkipSplFixedArray.php', []];
+        yield [__DIR__ . '/Fixture/SkipWeakMap.php', []];
         yield [__DIR__ . '/Fixture/SkipXml.php', []];
         yield [__DIR__ . '/Fixture/SkipXmlElementForeach.php', []];
     }