diff --git a/internal/time.h b/internal/time.h
index ad8133ed79..224d485b2e 100644
--- a/internal/time.h
+++ b/internal/time.h
@@ -28,7 +28,8 @@ struct timeval rb_time_timeval(VALUE);
 RUBY_SYMBOL_EXPORT_BEGIN
 /* time.c (export) */
 void ruby_reset_leap_second_info(void);
-void ruby_reset_timezone(const char *);
 RUBY_SYMBOL_EXPORT_END
 
+void ruby_reset_timezone(const char *);
+
 #endif /* INTERNAL_TIME_H */