diff --git a/rust/src/typelibrary.rs b/rust/src/typelibrary.rs
index 4940454d1..ce0fe6f8e 100644
--- a/rust/src/typelibrary.rs
+++ b/rust/src/typelibrary.rs
@@ -11,6 +11,7 @@ use crate::{
     types::{QualifiedName, QualifiedNameAndType, Type},
 };
 
+#[repr(transparent)]
 pub struct TypeLibrary {
     handle: ptr::NonNull<BNTypeLibrary>,
 }