diff --git a/reference/spl/recursivecallbackfilteriterator.xml b/reference/spl/recursivecallbackfilteriterator.xml
index b13c52d433..1c904f3f7d 100644
--- a/reference/spl/recursivecallbackfilteriterator.xml
+++ b/reference/spl/recursivecallbackfilteriterator.xml
@@ -107,7 +107,7 @@ function my_callback($current, $key, $iterator) {
 <![CDATA[
 <?php
 
-$dir = new FilesystemIterator(__DIR__);
+$dir = new RecursiveDirectoryIterator(__DIR__);
 
 // Filter large files ( > 100MB)
 $files = new RecursiveCallbackFilterIterator($dir, function ($current, $key, $iterator) {
diff --git a/reference/spl/recursivecallbackfilteriterator/haschildren.xml b/reference/spl/recursivecallbackfilteriterator/haschildren.xml
index def1d35279..ecf5a50305 100644
--- a/reference/spl/recursivecallbackfilteriterator/haschildren.xml
+++ b/reference/spl/recursivecallbackfilteriterator/haschildren.xml
@@ -39,7 +39,7 @@
 <![CDATA[
 <?php
 
-$dir = new FilesystemIterator(__DIR__);
+$dir = new RecursiveDirectoryIterator(__DIR__);
 
 // Recursively iterate over XML files
 $files = new RecursiveCallbackFilterIterator($dir, function ($current, $key, $iterator) {