diff --git a/src/event/ngx_event_openssl.c b/src/event/ngx_event_openssl.c
index e6e3199..e390124 100644
--- a/src/event/ngx_event_openssl.c
+++ b/src/event/ngx_event_openssl.c
@@ -1460,6 +1460,14 @@ ngx_ssl_handshake(ngx_connection_t *c)
 
     c->read->error = 1;
 
+#if (!defined SSL_R_CALLBACK_FAILED || !defined SSL_F_FINAL_SERVER_NAME)
+    if (sslerr == SSL_ERROR_SSL) {
+        ERR_peek_error();
+        ERR_clear_error();
+        return NGX_ERROR;
+    }
+#endif
+
     ngx_ssl_connection_error(c, sslerr, err, "SSL_do_handshake() failed");
 
     return NGX_ERROR;
@@ -1573,6 +1581,14 @@ ngx_ssl_try_early_data(ngx_connection_t *c)
 
     c->read->error = 1;
 
+#if (!defined SSL_R_CALLBACK_FAILED || !defined SSL_F_FINAL_SERVER_NAME)
+    if (sslerr == SSL_ERROR_SSL) {
+        ERR_peek_error();
+        ERR_clear_error();
+        return NGX_ERROR;
+    }
+#endif
+
     ngx_ssl_connection_error(c, sslerr, err, "SSL_read_early_data() failed");
 
     return NGX_ERROR;
@@ -2590,7 +2606,9 @@ ngx_ssl_connection_error(ngx_connection_t *c, int sslerr, ngx_err_t err,
     char *text)
 {
     int         n;
+#if (defined SSL_R_CALLBACK_FAILED && defined SSL_F_FINAL_SERVER_NAME)
     int         f;
+#endif
     ngx_uint_t  level;
 
     level = NGX_LOG_CRIT;
@@ -2630,6 +2648,7 @@ ngx_ssl_connection_error(ngx_connection_t *c, int sslerr, ngx_err_t err,
         /* Strict SNI Error Patch
          * https://github.com/hakasenyang/openssl-patch/issues/1#issuecomment-427040319
          */
+#if (defined SSL_R_CALLBACK_FAILED && defined SSL_F_FINAL_SERVER_NAME)
         if (n == SSL_R_CALLBACK_FAILED) {
             f = ERR_GET_FUNC(ERR_peek_error());
             if (f == SSL_F_FINAL_SERVER_NAME) {
@@ -2638,6 +2657,7 @@ ngx_ssl_connection_error(ngx_connection_t *c, int sslerr, ngx_err_t err,
                 return;
             }
         }
+#endif
 
             /* handshake failures */
         if (n == SSL_R_BAD_CHANGE_CIPHER_SPEC                        /*  103 */