diff --git a/tests/ui/pattern_type_mismatch/syntax.stderr b/tests/ui/pattern_type_mismatch/syntax.stderr
index 110e8421a5e..5a5186bd4fc 100644
--- a/tests/ui/pattern_type_mismatch/syntax.stderr
+++ b/tests/ui/pattern_type_mismatch/syntax.stderr
@@ -73,6 +73,7 @@ LL |     matching_macro!(value);
    |     ----------------------- in this macro invocation
    |
    = help: use `*` to dereference the match expression or explicitly match against a `&_` pattern and adjust the enclosed variable bindings
+   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: aborting due to 9 previous errors