Index: head/include/ndbm.h
===================================================================
--- head/include/ndbm.h
+++ head/include/ndbm.h
@@ -70,7 +70,7 @@
 long	 dbm_forder(DBM *, datum);
 #endif
 datum	 dbm_nextkey(DBM *);
-DBM	*dbm_open(const char *, int, int);
+DBM	*dbm_open(const char *, int, mode_t);
 int	 dbm_store(DBM *, datum, datum, int);
 #if __BSD_VISIBLE
 int	 dbm_dirfno(DBM *);
Index: head/lib/libc/db/hash/ndbm.c
===================================================================
--- head/lib/libc/db/hash/ndbm.c
+++ head/lib/libc/db/hash/ndbm.c
@@ -56,7 +56,7 @@
  *	 NULL on failure
  */
 extern DBM *
-dbm_open(const char *file, int flags, int mode)
+dbm_open(const char *file, int flags, mode_t mode)
 {
 	HASHINFO info;
 	char path[MAXPATHLEN];
Index: head/lib/libc/db/man/dbm.3
===================================================================
--- head/lib/libc/db/man/dbm.3
+++ head/lib/libc/db/man/dbm.3
@@ -34,7 +34,7 @@
 .In fcntl.h
 .In ndbm.h
 .Ft DBM *
-.Fn dbm_open "const char *base" "int flags" "int mode"
+.Fn dbm_open "const char *base" "int flags" "mode_t mode"
 .Ft void
 .Fn dbm_close "DBM *db"
 .Ft int