diff --git a/ts/Engine.ts b/ts/Engine.ts
index 7bd4716..b9d6d7c 100644
--- a/ts/Engine.ts
+++ b/ts/Engine.ts
@@ -295,7 +295,7 @@ export class Engine {
      */
     showImage(led: Led): void {
         if (led.on) {
-            this.selectedObject.innerText = led.name.split('.')[0] + ' (' + (<number> this.leds.currentLedIndex + 1) + '/' + this.leds.children.length + ')';
+            this.selectedObject.innerText = led.name.split('.')[0] + ' (' + (<number> this.leds.currentLedIndex + 1) + '/' + this.leds.leds.length + ')';
             this.ledView.src = '/data/calibration/' + this.objectId + '/' + led.name;
             this.ledView.style.display = 'block';
         } else {