diff --git a/core/tests/Unit/CoreTest.php b/core/tests/Unit/CoreTest.php
index a83a0e61b5..630e6e2ad7 100644
--- a/core/tests/Unit/CoreTest.php
+++ b/core/tests/Unit/CoreTest.php
@@ -45,7 +45,7 @@
         define('EVO_CLASS', 'Tests\Mocks\MockDocumentParser');
     }
 
-    $autoload = EVO_BASE_PATH . 'vendor' . DIRECTORY_SEPARATOR . 'autoload.php';
+    $autoload = EVO_CORE_PATH . 'vendor' . DIRECTORY_SEPARATOR . 'autoload.php';
     if (!file_exists($autoload)) {
         throw new \RuntimeException("Run: composer install");
     }
@@ -161,4 +161,4 @@
 
         expect($result[1])->toBe(['3', '2 [+3+]', '1 [+2 [+3+]+]']);
     });
-});
\ No newline at end of file
+});