diff --git a/net/nfc/digital_technology.c b/net/nfc/digital_technology.c
index bcdb73eaf945..f5dd8cfad404 100644
--- a/net/nfc/digital_technology.c
+++ b/net/nfc/digital_technology.c
@@ -637,7 +637,7 @@ exit:
 	dev_kfree_skb(resp);
 }
 
-int digital_tg_send_sensf_res(struct nfc_digital_dev *ddev,
+static int digital_tg_send_sensf_res(struct nfc_digital_dev *ddev,
 			      struct digital_sensf_req *sensf_req)
 {
 	struct sk_buff *skb;