diff --git a/src/event/ngx_event_openssl.c b/src/event/ngx_event_openssl.c
index a11a7e5e3..3a0e150d2 100644
--- a/src/event/ngx_event_openssl.c
+++ b/src/event/ngx_event_openssl.c
@@ -2587,6 +2587,9 @@ ngx_ssl_connection_error(ngx_connection_t *c, int sslerr, ngx_err_t err,
         if (n == SSL_R_BAD_CHANGE_CIPHER_SPEC                        /*  103 */
 #ifdef SSL_R_NO_SUITABLE_KEY_SHARE
             || n == SSL_R_NO_SUITABLE_KEY_SHARE                      /*  101 */
+#endif
+#ifdef SSL_R_NO_SUITABLE_SIGNATURE_ALGORITHM
+            || n == SSL_R_NO_SUITABLE_SIGNATURE_ALGORITHM            /*  118 */
 #endif
             || n == SSL_R_BLOCK_CIPHER_PAD_IS_WRONG                  /*  129 */
             || n == SSL_R_DIGEST_CHECK_FAILED                        /*  149 */
@@ -2609,6 +2612,9 @@ ngx_ssl_connection_error(ngx_connection_t *c, int sslerr, ngx_err_t err,
             || n == SSL_R_UNEXPECTED_RECORD                          /*  245 */
             || n == SSL_R_UNKNOWN_ALERT_TYPE                         /*  246 */
             || n == SSL_R_UNKNOWN_PROTOCOL                           /*  252 */
+#ifdef SSL_R_NO_COMMON_SIGNATURE_ALGORITHMS
+            || n == SSL_R_NO_COMMON_SIGNATURE_ALGORITHMS             /*  253 */
+#endif
             || n == SSL_R_UNSUPPORTED_PROTOCOL                       /*  258 */
 #ifdef SSL_R_NO_SHARED_GROUP
             || n == SSL_R_NO_SHARED_GROUP                            /*  266 */