diff --git a/tests/MainClassTest.php b/tests/MainClassTest.php
index <HASH>..<HASH> 100644
--- a/tests/MainClassTest.php
+++ b/tests/MainClassTest.php
@@ -175,7 +175,7 @@ class MainClassTest extends \PHPUnit\Framework\TestCase
 
         $supportsLang = $deepLy->supportsLangCode($langCode);
 
-        $this->assertEquals('true', $supportsLang);
+        $this->assertEquals(true, $supportsLang);
     }
 
     public function testGetLangName()
Bugfix (wrong type of var)