diff --git a/sys/kern/kern_jaildesc.c b/sys/kern/kern_jaildesc.c
index a564393d336..f4e31801201 100644
--- a/sys/kern/kern_jaildesc.c
+++ b/sys/kern/kern_jaildesc.c
@@ -54,7 +54,7 @@ static fo_close_t	jaildesc_close;
 static fo_fill_kinfo_t	jaildesc_fill_kinfo;
 static fo_cmp_t		jaildesc_cmp;
 
-static struct fileops jaildesc_ops = {
+static const struct fileops jaildesc_ops = {
 	.fo_read = invfo_rdwr,
 	.fo_write = invfo_rdwr,
 	.fo_truncate = invfo_truncate,