diff --git a/Library/Phalcon/Test/Traits/UnitTestCase.php b/Library/Phalcon/Test/Traits/UnitTestCase.php
index 67faf8805..66d285a66 100644
--- a/Library/Phalcon/Test/Traits/UnitTestCase.php
+++ b/Library/Phalcon/Test/Traits/UnitTestCase.php
@@ -174,7 +174,7 @@ public function getConfig()
      *
      * @see    Injectable::setDI
      * @param  DiInterface $di
-     * @return $this
+     * @return void
      */
     public function setDI(DiInterface $di) : void
     {