diff --git a/fes.js b/fes.js
index 836cbc7..39326b6 100644
--- a/fes.js
+++ b/fes.js
@@ -219,8 +219,8 @@
     pin.style.top = `${(d.y * 100).toFixed(4)}%`;
 
     const pinImg = document.createElement('img');
-    pinImg.src = 'images/pin-16x16.png';
-    pinImg.alt = 'images/pin-16x16.png';
+    pinImg.src = 'images/pin-512x512.png';
+    pinImg.alt = 'images/pin-512x512.png';
     pin.appendChild(pinImg);
 
     // tooltip (card)