diff --git a/tests/fixtures/valid/spaces-around-concat.php b/tests/fixtures/valid/spaces-around-concat.php
index 57d40a6..e0ef17a 100644
--- a/tests/fixtures/valid/spaces-around-concat.php
+++ b/tests/fixtures/valid/spaces-around-concat.php
@@ -2,4 +2,6 @@
 
 declare(strict_types=1);
 
-echo 'foo' . 'bar';
+$var = 'bar';
+
+echo 'foo' . $var;