diff --git a/criu/files-reg.c b/criu/files-reg.c
index 5e63b964f..94fd4acaa 100644
--- a/criu/files-reg.c
+++ b/criu/files-reg.c
@@ -1752,6 +1752,9 @@ int do_open_reg_noseek_flags(int ns_root_fd, struct reg_file_info *rfi, void *ar
 	u32 flags = *(u32 *)arg;
 	int fd;
 
+	/* unnamed temporary files are restored as ghost files */
+	flags &= ~O_TMPFILE;
+
 	fd = openat(ns_root_fd, rfi->path, flags);
 	if (fd < 0) {
 		pr_perror("Can't open file %s on restore", rfi->path);