diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 7805fd1..0753fa4 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -49,7 +49,7 @@
 	__u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4];
 };
 
-static struct hci_sec_filter hci_sec_filter = {
+static const struct hci_sec_filter hci_sec_filter = {
 	/* Packet types */
 	0x10,
 	/* Events */