diff --git a/S03-metaops/cross.t b/S03-metaops/cross.t
index 7ab5ea2463..c92f9cfd92 100644
--- a/S03-metaops/cross.t
+++ b/S03-metaops/cross.t
@@ -20,7 +20,7 @@ is ([+] 1, 2, 3 X** 2, 4), (1+1 + 4+16 + 9+81), '[+] and X** work';
 # L<S03/List infix precedence/This becomes a flat list in>
 {
     my @result = gather {
-        for flat @(1..3 X 'a'..'b') -> $n, $a {
+        for flat 1..3 X 'a'..'b' -> $n, $a {
             take "$n|$a"
         }
     }