diff --git a/crypto/openssl/ssl/s3_clnt.c b/crypto/openssl/ssl/s3_clnt.c
index e5138b6e5eee..aa53506d073e 100644
--- a/crypto/openssl/ssl/s3_clnt.c
+++ b/crypto/openssl/ssl/s3_clnt.c
@@ -1377,6 +1377,7 @@ int ssl3_get_key_exchange(SSL *s)
 		s->session->sess_cert->peer_ecdh_tmp=ecdh;
 		ecdh=NULL;
 		BN_CTX_free(bn_ctx);
+		bn_ctx = NULL;
 		EC_POINT_free(srvr_ecpoint);
 		srvr_ecpoint = NULL;
 		}