--- src/lisp.h	2020-10-13 23:20:23.555386699 +0200
+++ ../lisp.h	2020-10-13 22:47:04.192203245 +0200
@@ -4633,7 +4633,7 @@
 extern void syms_of_dired (void);
 extern Lisp_Object directory_files_internal (Lisp_Object, Lisp_Object,
                                              Lisp_Object, Lisp_Object,
-                                             bool, Lisp_Object);
+                                             bool, Lisp_Object, Lisp_Object);
 
 /* Defined in term.c.  */
 extern int *char_ins_del_vector;