kc3-lang/kc3

diff --git a/libc3/types.h b/libc3/types.h
index 91b4c43..0eabccd 100644
--- a/libc3/types.h
+++ b/libc3/types.h
@@ -297,9 +297,9 @@ struct quote {
 };
 
 struct struct_ {
-  const s_struct_type *type;
-  s_tag *tag;
   void *data;
+  s_tag *tag;
+  const s_struct_type *type;
 };
 
 struct sym_list {