diff --git a/tests/test-amp-img-sanitizer.php b/tests/test-amp-img-sanitizer.php
index da94f98e4f1..c9c02a90633 100644
--- a/tests/test-amp-img-sanitizer.php
+++ b/tests/test-amp-img-sanitizer.php
@@ -27,7 +27,7 @@ public function get_data() {
 				'<p></p>',
 			),
 
-			'image_with_spaces_only_src'                     => array(
+			'image_with_spaces_only_src'               => array(
 				'<p><img src="    " width="300" height="300" /></p>',
 				'<p></p>',
 			),