diff --git a/include/conversation.php b/include/conversation.php
index 64f00243d9..5e96e7e595 100644
--- a/include/conversation.php
+++ b/include/conversation.php
@@ -1373,8 +1373,10 @@ function conv_sort($arr, $order) {
 	$children = array();
 	$newarr = array();
 
-	// This is a preparation for having two different items with the same uri in one thread
-	// This will otherwise lead to an endless loop.
+	/*
+	 * This is a preparation for having two different items with the same uri in one thread
+	 * This will otherwise lead to an endless loop.
+	 */
 	foreach ($arr as $x) {
 		if (!isset($newarr[$x['uri']])) {
 			$newarr[$x['uri']] = $x;