diff --git a/src/main.rs b/src/main.rs
index a097a09..e031bc0 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -15,6 +15,7 @@ type DBuf = MaybeUninit<[u8; 2]>;
 /// just a pointer, doesn't matter which one
 type Ptr = *const u8;
 
+#[repr(C)]
 #[repr(align(8))]
 struct Align8<T>(T);