diff --git a/tests/Highcharts/CallTest.php b/tests/Highcharts/CallTest.php
new file mode 100644
index 0000000..f30245a
--- /dev/null
+++ b/tests/Highcharts/CallTest.php
@@ -0,0 +1,29 @@
+<?php
+/*
+ * This file is part of the HighchartsBundle package.
+ *
+ * (c) bibi.nu <bibi@bibi.nu>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace HighchartsBundle\Tests\Highcharts;
+
+use HighchartsBundle\Highcharts\Highchart;
+use PHPUnit\Framework\TestCase;
+
+class CallTest extends TestCase
+{
+    public function testCallColors(): void
+    {
+        $name = 'colors';
+        $expected = [];
+        $chart = new Highchart();
+        $chart->__call($name, $expected);
+        $actual = $chart->colors;
+        self::assertSame($expected, $actual);
+    }
+}