diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index 0024a692f0f8e25f51c24e1899267f49e5a734ff..a8976ef95528e19e088d7ce516cfb2d9a6db748f 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -1496,7 +1496,7 @@ static int decrypt_internal(struct sock *sk, struct sk_buff *skb,
 	if (prot->version == TLS_1_3_VERSION ||
 	    prot->cipher_type == TLS_CIPHER_CHACHA20_POLY1305)
 		memcpy(iv + iv_offset, tls_ctx->rx.iv,
-		       crypto_aead_ivsize(ctx->aead_recv));
+		       prot->iv_size + prot->salt_size);
 	else
 		memcpy(iv + iv_offset, tls_ctx->rx.iv, prot->salt_size);