diff --git a/tests/ui/traits/generic-cow-inference-regression.rs b/tests/ui/traits/generic-cow-inference-regression.rs
index 6fd4715f85bbd..e9dd76d1aea4f 100644
--- a/tests/ui/traits/generic-cow-inference-regression.rs
+++ b/tests/ui/traits/generic-cow-inference-regression.rs
@@ -1,3 +1,5 @@
+//@[new] compile-flags: -Znext-solver
+//@ revisions: old new
 //@ run-pass
 
 // regression test for #147964: