diff --git a/src/core/nginx.c b/src/core/nginx.c
index 29eee6a99..226208773 100644
--- a/src/core/nginx.c
+++ b/src/core/nginx.c
@@ -238,6 +238,9 @@ main(int argc, char *const *argv)
         if (ngx_show_configure) {
 #ifdef NGX_COMPILER
             ngx_log_stderr(0, "built by " NGX_COMPILER);
+#endif
+#ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
+            ngx_log_stderr(0, "TLS SNI support enabled");
 #endif
             ngx_log_stderr(0, "configure arguments:" NGX_CONFIGURE);
         }