diff --git a/modules/renderer/tile_layer.js b/modules/renderer/tile_layer.js
index 1ab3d398e..318a0f884 100644
--- a/modules/renderer/tile_layer.js
+++ b/modules/renderer/tile_layer.js
@@ -250,6 +250,7 @@ export function rendererTileLayer(context) {
                         if (result && result.vintage && result.vintage.range) {
                           span.text(result.vintage.range);
                         } else {
+                          span.text('');
                           span.call(t.append('info_panels.background.vintage'));
                           span.append('span').text(': ');
                           span.call(t.append('info_panels.background.unknown'));