diff --git a/src/Value/CSSFunction.php b/src/Value/CSSFunction.php
index 018a9997..f5951bd2 100644
--- a/src/Value/CSSFunction.php
+++ b/src/Value/CSSFunction.php
@@ -121,10 +121,12 @@ public function render(OutputFormat $outputFormat): string
      */
     public function getArrayRepresentation(): array
     {
-        $result = parent::getArrayRepresentation();
-
-        $result['name'] = $this->name;
-
-        return $result;
+        return \array_merge(
+            [
+                'class' => 'placeholder',
+                'name' => $this->name,
+            ],
+            parent::getArrayRepresentation()
+        );
     }
 }
diff --git a/tests/Unit/Value/ValueTest.php b/tests/Unit/Value/ValueTest.php
index 5b34831b..b97e5f65 100644
--- a/tests/Unit/Value/ValueTest.php
+++ b/tests/Unit/Value/ValueTest.php
@@ -64,6 +64,7 @@ public function parsesArithmeticInFunctions(string $operator): void
         self::assertSame(
             [
                 'class' => 'CSSFunction',
+                'name' => 'max',
                 'components' => [
                     [
                         'class' => 'Size',
@@ -92,7 +93,6 @@ public function parsesArithmeticInFunctions(string $operator): void
                     ],
                 ],
                 'separator' => ',',
-                'name' => 'max',
             ],
             $result
         );