diff --git a/language/functions.xml b/language/functions.xml
index b7a78f7b54..7b324e20b4 100644
--- a/language/functions.xml
+++ b/language/functions.xml
@@ -1510,7 +1510,7 @@ var_export($fn(5)(10));
 <?php
 
 fn(array $x) => $x;
-static fn(): int => $x;
+static fn($x): int => $x;
 fn($x = 42) => $x;
 fn(&$x) => $x;
 fn&($x) => $x;