diff --git a/src/templates_front/templator_front.org b/src/templates_front/templator_front.org
index ba9f242..227be36 100644
--- a/src/templates_front/templator_front.org
+++ b/src/templates_front/templator_front.org
@@ -740,7 +740,6 @@ typedef struct trexio_s trexio_t;
 
    #+begin_src c :tangle prefix_s_front.h
 struct trexio_s {
-  char              file_name[TREXIO_MAX_FILENAME_LENGTH];
   pthread_mutex_t   thread_lock;
   back_end_t        back_end;
   char              mode;
@@ -750,6 +749,7 @@ struct trexio_s {
   int16_t           version_minor;
   int16_t           version_patch;
   char              version[16];
+  char              file_name[TREXIO_MAX_FILENAME_LENGTH];
 };
    #+end_src