diff --git a/src/ptr.rs b/src/ptr.rs
index ad66d9b..269b005 100644
--- a/src/ptr.rs
+++ b/src/ptr.rs
@@ -5,6 +5,7 @@ use std::{
 	ptr::NonNull,
 };
 
+#[repr(transparent)]
 pub struct OwnRef<'a, T: ?Sized>(Option<NonNull<T>>, PhantomData<(&'a mut [u8], T)>);
 
 impl<T: ?Sized> Drop for OwnRef<'_, T> {