1 files changed, 3 insertions, 3 deletions
diff --git a/internal/gc.h b/internal/gc.h
index 451f461de0..fb4b1bbde9 100644
--- a/internal/gc.h
+++ b/internal/gc.h
@@ -1,4 +1,6 @@
-/**                                                         \noop-*-C-*-vi:ft=c
+#ifndef INTERNAL_GC_H                                    /*-*-C-*-vi:se ft=c:*/
+#define INTERNAL_GC_H
+/**
  * @file
  * @author     Ruby developers <[email protected]>
  * @copyright  This  file  is   a  part  of  the   programming  language  Ruby.
@@ -7,8 +9,6 @@
  *             file COPYING are met.  Consult the file for details.
  * @brief      Internal header for GC.
  */
-#ifndef INTERNAL_GC_H
-#define INTERNAL_GC_H
 #include "ruby/3/config.h"
 
 #include <stddef.h>             /* for size_t */