diff --git a/sys/kern/kern_descrip.c b/sys/kern/kern_descrip.c
index 2bf738228bd5..0a9e2f9001b0 100644
--- a/sys/kern/kern_descrip.c
+++ b/sys/kern/kern_descrip.c
@@ -1808,7 +1808,7 @@ fdinit(struct filedesc *fdp)
 	newfdp = malloc(sizeof *newfdp, M_FILEDESC, M_WAITOK | M_ZERO);
 	FILEDESC_LOCK_INIT(&newfdp->fd_fd);
 	if (fdp != NULL) {
-		FILEDESC_XLOCK(fdp);
+		FILEDESC_SLOCK(fdp);
 		newfdp->fd_fd.fd_cdir = fdp->fd_cdir;
 		if (newfdp->fd_fd.fd_cdir)
 			VREF(newfdp->fd_fd.fd_cdir);
@@ -1818,7 +1818,7 @@ fdinit(struct filedesc *fdp)
 		newfdp->fd_fd.fd_jdir = fdp->fd_jdir;
 		if (newfdp->fd_fd.fd_jdir)
 			VREF(newfdp->fd_fd.fd_jdir);
-		FILEDESC_XUNLOCK(fdp);
+		FILEDESC_SUNLOCK(fdp);
 	}
 
 	/* Create the file descriptor table. */