diff --git a/test/features/ObjectLiteralExpression.php b/test/features/ObjectLiteralExpression.php
index 4aa6bae..b4801da 100644
--- a/test/features/ObjectLiteralExpression.php
+++ b/test/features/ObjectLiteralExpression.php
@@ -9,4 +9,4 @@
     "b" => $b,
     "a-b" => $b
 );
-array_key_exists("b", $a);
+$c = array_key_exists("b", $a);