diff --git a/public/index.html b/public/index.html
index c250cd22..eefd55cc 100644
--- a/public/index.html
+++ b/public/index.html
@@ -86,7 +86,7 @@
   <script src="hop-display.js?v=1774221932"></script>
   <script src="app.js?v=1774126708"></script>
   <script src="home.js?v=1774042199"></script>
-  <script src="packets.js?v=1774222510"></script>
+  <script src="packets.js?v=1774223207"></script>
   <script src="map.js?v=1774220756" onerror="console.error('Failed to load:', this.src)"></script>
   <script src="channels.js?v=1774331200" onerror="console.error('Failed to load:', this.src)"></script>
   <script src="nodes.js?v=1774221131" onerror="console.error('Failed to load:', this.src)"></script>
diff --git a/public/packets.js b/public/packets.js
index 238d33f1..76d641ff 100644
--- a/public/packets.js
+++ b/public/packets.js
@@ -1103,8 +1103,9 @@
     // Re-resolve hops with observer + sender location for regional filtering & disambiguation
     if (pathHops.length) {
       await ensureHopResolver();
-      const senderLat = decoded.lat || decoded.latitude || null;
-      const senderLon = decoded.lon || decoded.longitude || null;
+      const senderLat = (decoded.lat != null && decoded.lat !== 0) ? decoded.lat : (decoded.latitude || null);
+      const senderLon = (decoded.lon != null && decoded.lon !== 0) ? decoded.lon : (decoded.longitude || null);
+      console.log('[renderDetail] re-resolve:', { senderLat, senderLon, observer: pkt.observer_id?.slice(0,12), decodedKeys: Object.keys(decoded) });
       const resolved = HopResolver.resolve(pathHops, senderLat, senderLon, null, null, pkt.observer_id);
       Object.assign(hopNameCache, resolved || {});
     }