diff --git a/src/test/ui/mir/mir-inlining/inline-instrument-coverage-fail.stderr b/src/test/ui/mir/mir-inlining/inline-instrument-coverage-fail.stderr
index eb50e5075ca8..d482afc395d1 100644
--- a/src/test/ui/mir/mir-inlining/inline-instrument-coverage-fail.stderr
+++ b/src/test/ui/mir/mir-inlining/inline-instrument-coverage-fail.stderr
@@ -1,2 +1,2 @@
-warning: `-Z mir-opt-level=2` (or any level > 1) enables function inlining, which is incompatible with `-Z instrument-coverage`. Inlining will be disabled.
+warning: `-Z mir-opt-level=3` (or any level > 1) enables function inlining, which is incompatible with `-Z instrument-coverage`. Inlining will be disabled.