diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c
index 715cbafbf663..27520a8a486f 100644
--- a/net/bluetooth/6lowpan.c
+++ b/net/bluetooth/6lowpan.c
@@ -572,7 +572,7 @@ static void netdev_setup(struct net_device *dev)
 	dev->needs_free_netdev	= true;
 }
 
-static struct device_type bt_type = {
+static const struct device_type bt_type = {
 	.name	= "bluetooth",
 };
 
diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c
index 5a6a49885ab6..8c3f8d0c0358 100644
--- a/net/bluetooth/bnep/core.c
+++ b/net/bluetooth/bnep/core.c
@@ -549,7 +549,7 @@ static struct device *bnep_get_device(struct bnep_session *session)
 	return &conn->hcon->dev;
 }
 
-static struct device_type bnep_type = {
+static const struct device_type bnep_type = {
 	.name	= "bluetooth",
 };