Index: smbd/open.c
===================================================================
--- smbd/open.c	(revision 25390)
+++ smbd/open.c	(revision 25391)
@@ -1939,6 +1939,7 @@
 	char *parent_dir;
 	const char *dirname;
 	NTSTATUS status;
+	BOOL posix_open = False;
 
 	if(!CAN_WRITE(conn)) {
 		DEBUG(5,("mkdir_internal: failing create on read-only share "
@@ -1957,6 +1958,7 @@
 	}
 
 	if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
+		posix_open = True;
 		mode = (mode_t)(file_attributes & ~FILE_FLAG_POSIX_SEMANTICS);
 	} else {
 		mode = unix_mode(conn, aDIR, name, parent_dir);
@@ -1981,6 +1983,14 @@
 		return NT_STATUS_ACCESS_DENIED;
 	}
 
+	if (lp_store_dos_attributes(SNUM(conn))) {
+		if (!posix_open) {
+			file_set_dosmode(conn, name,
+				 file_attributes | aDIR, NULL,
+				 parent_dir);
+		}
+	}
+
 	if (lp_inherit_perms(SNUM(conn))) {
 		inherit_access_acl(conn, parent_dir, name, mode);
 	}