diff --git a/criu/autofs.c b/criu/autofs.c
index 6432b4213..8cf5e8ec0 100644
--- a/criu/autofs.c
+++ b/criu/autofs.c
@@ -892,6 +892,7 @@ static int autofs_create_pipe(struct pstree_item *task, autofs_info_t *i,
 		return -1;
 	memcpy(ops, pi->d.ops, sizeof(*ops));
 	ops->open = autofs_open_pipefd;
+	ops->type = FD_TYPES__AUTOFS_PIPE;
 
 	pe = shmalloc(sizeof(*pe));
 	if (!pe)
@@ -910,6 +911,7 @@ static int autofs_create_pipe(struct pstree_item *task, autofs_info_t *i,
 	fe = dup_fdinfo(ple->fe, fd, flags);
 	if (!fe)
 		return -1;
+	fe->type = FD_TYPES__AUTOFS_PIPE;
 
 	pr_info("autofs: adding pipe fd %d, flags %#x to %d (with post_open)\n",
 		fe->fd, fe->flags, vpid(task));
diff --git a/images/fdinfo.proto b/images/fdinfo.proto
index 0a6f3ee74..3d4e50701 100644
--- a/images/fdinfo.proto
+++ b/images/fdinfo.proto
@@ -36,6 +36,9 @@ enum fd_types {
 	TUNF		= 15;
 	EXT		= 16;
 	TIMERFD		= 17;
+
+	/* Any number above the real used. Not stored to image */
+	AUTOFS_PIPE	= 65535;
 }
 
 message fdinfo_entry {