diff --git a/include/mimalloc.h b/include/mimalloc.h
index be784511..d92c2866 100644
--- a/include/mimalloc.h
+++ b/include/mimalloc.h
@@ -225,14 +225,14 @@ typedef enum mi_option_e {
   mi_option_show_errors,
   mi_option_verbose,
   // the following options are experimental
-  mi_option_page_reset,
-  mi_option_cache_reset,
+  mi_option_secure,
   mi_option_eager_commit,
   mi_option_eager_region_commit,
   mi_option_large_os_pages,      // implies eager commit
+  mi_option_page_reset,
+  mi_option_cache_reset,
   mi_option_reset_decommits,
   mi_option_reset_discards,
-  mi_option_secure,
   _mi_option_last
 } mi_option_t;