diff --git a/src/test/ui/consts/const-eval/ub-wide-ptr.stderr b/src/test/ui/consts/const-eval/ub-wide-ptr.stderr
index 3c3305e80746..e359e516f762 100644
--- a/src/test/ui/consts/const-eval/ub-wide-ptr.stderr
+++ b/src/test/ui/consts/const-eval/ub-wide-ptr.stderr
@@ -186,7 +186,7 @@ error[E0080]: could not evaluate static initializer
   --> $DIR/ub-wide-ptr.rs:121:5
    |
 LL |     mem::transmute::<_, &dyn Trait>((&92u8, 0usize))
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ invalid use of NULL pointer
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ dereferencing NULL pointer
 
 error[E0080]: could not evaluate static initializer
   --> $DIR/ub-wide-ptr.rs:125:5
diff --git a/src/test/ui/consts/offset_from_ub.stderr b/src/test/ui/consts/offset_from_ub.stderr
index 4c591d5ee81a..b0e4b7fcc79a 100644
--- a/src/test/ui/consts/offset_from_ub.stderr
+++ b/src/test/ui/consts/offset_from_ub.stderr
@@ -66,7 +66,7 @@ error: any use of this value will cause an error
 LL |           intrinsics::ptr_offset_from(self, origin)
    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |           |
-   |           invalid use of NULL pointer
+   |           dereferencing NULL pointer
    |           inside `std::ptr::const_ptr::<impl *const u8>::offset_from` at $SRC_DIR/libcore/ptr/const_ptr.rs:LL:COL
    |           inside `OFFSET_FROM_NULL` at $DIR/offset_from_ub.rs:37:14
    |