diff --git a/tests/ui/as_ptr_cast_mut.rs b/tests/ui/as_ptr_cast_mut.rs
index 0d1d9258433..9389426238c 100644
--- a/tests/ui/as_ptr_cast_mut.rs
+++ b/tests/ui/as_ptr_cast_mut.rs
@@ -1,3 +1,4 @@
+//@run-rustfix
 #![allow(unused)]
 #![warn(clippy::as_ptr_cast_mut)]
 #![allow(clippy::wrong_self_convention)]