diff --git a/js/pacosako_io.js b/js/pacosako_io.js
index a38b91a..6a76375 100644
--- a/js/pacosako_io.js
+++ b/js/pacosako_io.js
@@ -370,7 +370,7 @@ function startMetaPoll(afterTime) {
       const thisRequest = meta.currentRequest = $.ajax({
          dataType: 'json',
          contentType: 'application/json',
-         url: `${API_BASE}/games${!afterTime ? '' : `/poll/${afterTime}`}`,
+         url: `${API_BASE}/games${(afterTime === undefined) ? '' : `/poll/${afterTime}`}`,
          cache: false,
          timeout: afterTime ? LONG_TIMEOUT : SHORT_TIMEOUT,
       }).done((data, textStatus, jqXHR) => {