diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c
index 82225bcc1117..ff08b2ff7597 100644
--- a/net/tls/tls_main.c
+++ b/net/tls/tls_main.c
@@ -63,7 +63,7 @@ static DEFINE_MUTEX(tcpv4_prot_mutex);
 static struct proto tls_prots[TLS_NUM_PROTS][TLS_NUM_CONFIG][TLS_NUM_CONFIG];
 static struct proto_ops tls_sw_proto_ops;
 static void build_protos(struct proto prot[TLS_NUM_CONFIG][TLS_NUM_CONFIG],
-			 struct proto *base);
+			 const struct proto *base);
 
 void update_sk_prot(struct sock *sk, struct tls_context *ctx)
 {
@@ -652,7 +652,7 @@ static void tls_build_proto(struct sock *sk)
 }
 
 static void build_protos(struct proto prot[TLS_NUM_CONFIG][TLS_NUM_CONFIG],
-			 struct proto *base)
+			 const struct proto *base)
 {
 	prot[TLS_BASE][TLS_BASE] = *base;
 	prot[TLS_BASE][TLS_BASE].setsockopt	= tls_setsockopt;