diff --git a/src/libksupport/src/kernel/core1.rs b/src/libksupport/src/kernel/core1.rs
index 60e648d..7dfe17c 100644
--- a/src/libksupport/src/kernel/core1.rs
+++ b/src/libksupport/src/kernel/core1.rs
@@ -25,12 +25,14 @@ extern "C" {
 }
 
 unsafe fn attribute_writeback(typeinfo: *const ()) {
+    #[repr(C)]
     struct Attr {
         offset: usize,
         tag: CSlice<'static, u8>,
         name: CSlice<'static, u8>,
     }
 
+    #[repr(C)]
     struct Type {
         attributes: *const *const Attr,
         objects: *const *const (),