diff --git a/src/test/ui/maybe-bounds.rs b/src/test/ui/maybe-bounds.rs
index 1dc198dee834..ec8a6b8ffdc9 100644
--- a/src/test/ui/maybe-bounds.rs
+++ b/src/test/ui/maybe-bounds.rs
@@ -10,7 +10,7 @@
 
 trait Tr: ?Sized {} //~ ERROR `?Trait` is not permitted in supertraits
 
-type A1 = Tr + ?Sized; //~ ERROR `?Trait` is not permitted in trait object types
-type A2 = for<'a> Tr + ?Sized; //~ ERROR `?Trait` is not permitted in trait object types
+type A1 = Tr + (?Sized); //~ ERROR `?Trait` is not permitted in trait object types
+type A2 = for<'a> Tr + (?Sized); //~ ERROR `?Trait` is not permitted in trait object types
 
 fn main() {}
diff --git a/src/test/ui/maybe-bounds.stderr b/src/test/ui/maybe-bounds.stderr
index 763fec77be3f..db8f7ad81665 100644
--- a/src/test/ui/maybe-bounds.stderr
+++ b/src/test/ui/maybe-bounds.stderr
@@ -9,14 +9,14 @@ LL | trait Tr: ?Sized {} //~ ERROR `?Trait` is not permitted in supertraits
 error: `?Trait` is not permitted in trait object types
   --> $DIR/maybe-bounds.rs:13:16
    |
-LL | type A1 = Tr + ?Sized; //~ ERROR `?Trait` is not permitted in trait object types
-   |                ^^^^^^
+LL | type A1 = Tr + (?Sized); //~ ERROR `?Trait` is not permitted in trait object types
+   |                ^^^^^^^^
 
 error: `?Trait` is not permitted in trait object types
   --> $DIR/maybe-bounds.rs:14:24
    |
-LL | type A2 = for<'a> Tr + ?Sized; //~ ERROR `?Trait` is not permitted in trait object types
-   |                        ^^^^^^
+LL | type A2 = for<'a> Tr + (?Sized); //~ ERROR `?Trait` is not permitted in trait object types
+   |                        ^^^^^^^^
 
 error: aborting due to 3 previous errors