diff --git a/src/event/ngx_event_openssl.c b/src/event/ngx_event_openssl.c
index fe14a291a..b86805614 100644
--- a/src/event/ngx_event_openssl.c
+++ b/src/event/ngx_event_openssl.c
@@ -2062,6 +2062,8 @@ ngx_ssl_connection_error(ngx_connection_t *c, int sslerr, ngx_err_t err,
             || n == SSL_R_DIGEST_CHECK_FAILED                        /*  149 */
             || n == SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST              /*  151 */
             || n == SSL_R_EXCESSIVE_MESSAGE_SIZE                     /*  152 */
+            || n == SSL_R_HTTPS_PROXY_REQUEST                        /*  155 */
+            || n == SSL_R_HTTP_REQUEST                               /*  156 */
             || n == SSL_R_LENGTH_MISMATCH                            /*  159 */
 #ifdef SSL_R_NO_CIPHERS_PASSED
             || n == SSL_R_NO_CIPHERS_PASSED                          /*  182 */