diff --git a/src/event/ngx_event_openssl_stapling.c b/src/event/ngx_event_openssl_stapling.c
index cce8e9ec1..09fab7690 100644
--- a/src/event/ngx_event_openssl_stapling.c
+++ b/src/event/ngx_event_openssl_stapling.c
@@ -376,6 +376,7 @@ ngx_ssl_stapling_responder(ngx_conf_t *cf, ngx_ssl_t *ssl,
 {
     ngx_url_t                  u;
     char                      *s;
+    ngx_str_t                  rsp;
     STACK_OF(OPENSSL_STRING)  *aia;
 
     if (responder->len == 0) {
@@ -403,6 +404,8 @@ ngx_ssl_stapling_responder(ngx_conf_t *cf, ngx_ssl_t *ssl,
             return NGX_DECLINED;
         }
 
+        responder = &rsp;
+
         responder->len = ngx_strlen(s);
         responder->data = ngx_palloc(cf->pool, responder->len);
         if (responder->data == NULL) {