diff --git a/drivers/net/netdevsim/bus.c b/drivers/net/netdevsim/bus.c
index bcbc1e19edde4..aedab1d9623a1 100644
--- a/drivers/net/netdevsim/bus.c
+++ b/drivers/net/netdevsim/bus.c
@@ -260,7 +260,7 @@ static int nsim_num_vf(struct device *dev)
 	return nsim_bus_dev->num_vfs;
 }
 
-static struct bus_type nsim_bus = {
+static const struct bus_type nsim_bus = {
 	.name		= DRV_NAME,
 	.dev_name	= DRV_NAME,
 	.bus_groups	= nsim_bus_groups,