diff --git a/src/Eloquent/Model.php b/src/Eloquent/Model.php
index 05a20bb31..5c88dee0e 100644
--- a/src/Eloquent/Model.php
+++ b/src/Eloquent/Model.php
@@ -20,6 +20,7 @@
 
 use function abs;
 use function array_key_exists;
+use function array_key_first;
 use function array_keys;
 use function array_unique;
 use function array_values;
@@ -251,6 +252,16 @@ public function attributesToArray()
         return $attributes;
     }
 
+    /** @inheritdoc */
+    protected function normalizeCastClassResponse($key, $value)
+    {
+        if (! is_array($value) || (count($value) && is_numeric(array_key_first($value)))) {
+            return [$key => $value];
+        }
+
+        return $value;
+    }
+
     /** @inheritdoc */
     public function getCasts()
     {
diff --git a/tests/ModelTest.php b/tests/ModelTest.php
index 44e24b699..6b98ff90e 100644
--- a/tests/ModelTest.php
+++ b/tests/ModelTest.php
@@ -112,8 +112,20 @@ public function testUpdate(): void
         $raw = $user->getAttributes();
         $this->assertInstanceOf(ObjectID::class, $raw['_id']);
 
+        $check->skills = ['PHP', 'Laravel', 'MongoDB', 'Laravel'];
+        $check->save();
+
+        $check = User::find($user->_id);
+        $this->assertCount(3, $check->skills);
+        $this->assertEquals(['PHP', 'Laravel', 'MongoDB'], $check->skills);
+
+        $check->fullname = ['Hans', 'Thomas'];
+        $check->save();
+
         $check = User::find($user->_id);
-        $this->assertEquals(20, $check->age);
+        self::assertEquals('Hans', $check->first_name);
+        self::assertEquals('Thomas', $check->last_name);
+        self::assertEquals('Hans Thomas', $check->fullname);
     }
 
     public function testManualStringId(): void
diff --git a/tests/Models/User.php b/tests/Models/User.php
index 523b489e7..8bcd08f55 100644
--- a/tests/Models/User.php
+++ b/tests/Models/User.php
@@ -18,6 +18,8 @@
 use MongoDB\Laravel\Eloquent\MassPrunable;
 use MongoDB\Laravel\Eloquent\Model as Eloquent;
 
+use function array_unique;
+
 /**
  * @property string $_id
  * @property string $name
@@ -109,6 +111,22 @@ protected function username(): Attribute
         );
     }
 
+    protected function skills(): Attribute
+    {
+        return Attribute::make(
+            get: fn ($value) => $value,
+            set: fn ($values) => array_unique($values)
+        );
+    }
+
+    protected function fullname(): Attribute
+    {
+        return Attribute::make(
+            get: fn ($value) => $this->first_name . ' ' . $this->last_name,
+            set: fn ($values) => ['first_name' => $values[0], 'last_name' => $values[1]]
+        );
+    }
+
     public function prunable(): Builder
     {
         return $this->where('age', '>', 18);