diff --git a/language/namespaces.xml b/language/namespaces.xml
index dd4ab2fbfe..337d2535b6 100644
--- a/language/namespaces.xml
+++ b/language/namespaces.xml
@@ -1329,7 +1329,7 @@ function my() {}
 function foo() {}
 function sort(&$a)
 {
-    sort($a);
+    \sort($a); // calls the global function "sort"
     $a = array_flip($a);
     return $a;
 }