diff --git a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.rs b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.rs
index f5ff73c7eeadd..fd1f3c6353c6d 100644
--- a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.rs
+++ b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.rs
@@ -20,7 +20,7 @@ trait Trait<T, In> {
 impl<In, Out> Trait<Bar, In> for Out {
     type Out = Out;
     fn convert(_i: In) -> Self::Out {
-        //[next]~^  ERROR: cannot satisfy `Bar == _`
+        //[next]~^  ERROR: cannot satisfy `<Out as Trait<Bar, In>>::Out == ()`
         unreachable!();
     }
 }