diff --git a/src/templates_front/templator_front.org b/src/templates_front/templator_front.org
index 817d687..73f2046 100644
--- a/src/templates_front/templator_front.org
+++ b/src/templates_front/templator_front.org
@@ -77,6 +77,12 @@ typedef int32_t trexio_exit_code;
 #include <stdbool.h>
   #+end_src
 
+  #+begin_src c :tangle trexio_private.h :noweb yes
+<<header>>
+#ifndef _TREXIO_PRIVATE_H
+#define _TREXIO_PRIVATE_H
+  #+end_src
+
 * Coding conventions
 
   - integer types will be defined using types given in ~stdint.h~
@@ -2231,6 +2237,10 @@ contains
 #endif
   #+end_src
 
+  #+begin_src c :tangle trexio_private.h
+#endif
+  #+end_src
+
   #+begin_src f90 :tangle suffix_fortran.f90
 end module trexio
   #+end_src