diff --git a/criu/files.c b/criu/files.c
index e1d07a1e7..d4f12a542 100644
--- a/criu/files.c
+++ b/criu/files.c
@@ -160,7 +160,7 @@ unsigned int find_unused_fd(struct pstree_item *task, int hint_fd)
 		goto out;
 	}
 
-	prev_fd = service_fd_min_fd() - 1;
+	prev_fd = service_fd_min_fd(task) - 1;
 	head = &rsti(task)->fds;
 
 	list_for_each_entry_reverse(fle, head, ps_list) {
@@ -926,7 +926,7 @@ int prepare_fd_pid(struct pstree_item *item)
 		if (ret <= 0)
 			break;
 
-		if (e->fd >= service_fd_min_fd()) {
+		if (e->fd >= service_fd_min_fd(item)) {
 			ret = -1;
 			pr_err("Too big FD number to restore %d\n", e->fd);
 			break;
diff --git a/criu/include/servicefd.h b/criu/include/servicefd.h
index b77922394..29e5b0bdb 100644
--- a/criu/include/servicefd.h
+++ b/criu/include/servicefd.h
@@ -28,6 +28,8 @@ enum sfd_type {
 	SERVICE_FD_MAX
 };
 
+struct pstree_item;
+
 extern int clone_service_fd(int id);
 extern int init_service_fd(void);
 extern int get_service_fd(enum sfd_type type);
@@ -36,6 +38,6 @@ extern int install_service_fd(enum sfd_type type, int fd);
 extern int close_service_fd(enum sfd_type type);
 extern bool is_service_fd(int fd, enum sfd_type type);
 extern bool is_any_service_fd(int fd);
-extern int service_fd_min_fd(void);
+extern int service_fd_min_fd(struct pstree_item *);
 
 #endif /* __CR_SERVICE_FD_H__ */
diff --git a/criu/util.c b/criu/util.c
index 1917fe88c..201ba096f 100644
--- a/criu/util.c
+++ b/criu/util.c
@@ -462,9 +462,14 @@ static int __get_service_fd(enum sfd_type type, int service_fd_id)
 	return service_fd_rlim_cur - type - SERVICE_FD_MAX * service_fd_id;
 }
 
-int service_fd_min_fd(void)
+int service_fd_min_fd(struct pstree_item *item)
 {
-	return service_fd_rlim_cur - (SERVICE_FD_MAX - 1) - SERVICE_FD_MAX * service_fd_id;
+	struct fdt *fdt = rsti(item)->fdt;
+	int id = 0;
+
+	if (fdt)
+		id = fdt->nr - 1;
+	return service_fd_rlim_cur - (SERVICE_FD_MAX - 1) - SERVICE_FD_MAX * id;
 }
 
 static DECLARE_BITMAP(sfd_map, SERVICE_FD_MAX);