diff --git a/S04-declarations/multiple.t b/S04-declarations/multiple.t
index cdf96a2550..c1cf15f4f8 100644
--- a/S04-declarations/multiple.t
+++ b/S04-declarations/multiple.t
@@ -1,6 +1,6 @@
 use v6;
 use Test;
-plan 6;
+plan 7;
 
 # L<S04/The Relationship of Blocks and Declarations/"If you declare a lexical 
 #  twice in the same scope">
@@ -31,4 +31,8 @@ throws-like 'only sub foo {1; }; sub foo($x) {1; };', X::Redeclaration,
 eval-lives-ok 'proto foo {1; }; sub foo {1; }; sub foo($x) {1; };',
              'multiple declarations need multi or proto';
 
+# RT #118607
+throws-like 'sub foo {1; }; sub foo($x) {1; };', X::Redeclaration,
+    'suggest multi-sub for sub redeclaration', message => /'did you mean to declare a multi-sub'/;
+
 # vim: ft=perl6