diff --git a/ssl/s3_srvr.c b/ssl/s3_srvr.c
index a05fae498..cdbd281b8 100644
--- a/ssl/s3_srvr.c
+++ b/ssl/s3_srvr.c
@@ -2260,6 +2260,8 @@ int ssl3_get_client_key_exchange(SSL *s)
 		EVP_PKEY *skey = NULL;
 		if (n)
 			n2s(p,i);
+		else
+			i = 0;
 		if (n && n != i+2)
 			{
 			if (!(s->options & SSL_OP_SSLEAY_080_CLIENT_DH_BUG))