diff --git a/libc/kernel/uapi/linux/android/binder.h b/libc/kernel/uapi/linux/android/binder.h
index e3b3289..52f4c6b 100644
--- a/libc/kernel/uapi/linux/android/binder.h
+++ b/libc/kernel/uapi/linux/android/binder.h
@@ -189,7 +189,7 @@
 struct binder_handle_cookie {
   __u32 handle;
   binder_uintptr_t cookie;
-} __packed;
+} __attribute__((__packed__));
 struct binder_pri_desc {
   __s32 priority;
   __u32 desc;