diff --git a/src/event/ngx_event_openssl_stapling.c b/src/event/ngx_event_openssl_stapling.c
index 3a3cc7f9e..69340b37b 100644
--- a/src/event/ngx_event_openssl_stapling.c
+++ b/src/event/ngx_event_openssl_stapling.c
@@ -1195,6 +1195,8 @@ ngx_ssl_ocsp_create_request(ngx_ssl_ocsp_ctx_t *ctx)
     b->last = p;
     ctx->request = b;
 
+    OCSP_REQUEST_free(ocsp);
+
     return NGX_OK;
 
 failed: