diff --git a/public/index.html b/public/index.html
index d751162c..32c88f0d 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=1774224521"></script>
+  <script src="packets.js?v=1774224661"></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 82464b8e..d0d4f243 100644
--- a/public/packets.js
+++ b/public/packets.js
@@ -293,7 +293,31 @@
       for (const p of filtered) {
         try { JSON.parse(p.path_json || '[]').forEach(h => { if (!(h in hopNameCache)) newHops.add(h); }); } catch {}
       }
-      (newHops.size ? resolveHops([...newHops]) : Promise.resolve()).then(() => {
+      (newHops.size ? resolveHops([...newHops]) : Promise.resolve()).then(async () => {
+        // Per-observer resolve for ambiguous hops in this batch
+        const batchByObs = {};
+        for (const p of filtered) {
+          if (!p.observer_id) continue;
+          try {
+            const path = JSON.parse(p.path_json || '[]');
+            const ambig = path.filter(h => hopNameCache[h]?.ambiguous && !hopNameCache[h + ':' + p.observer_id]);
+            if (ambig.length) {
+              if (!batchByObs[p.observer_id]) batchByObs[p.observer_id] = new Set();
+              ambig.forEach(h => batchByObs[p.observer_id].add(h));
+            }
+          } catch {}
+        }
+        await Promise.all(Object.entries(batchByObs).map(async ([obsId, hopsSet]) => {
+          try {
+            const result = await api(`/resolve-hops?hops=${[...hopsSet].join(',')}&observer=${obsId}`);
+            if (result?.resolved) {
+              for (const [k, v] of Object.entries(result.resolved)) {
+                hopNameCache[k + ':' + obsId] = v;
+              }
+            }
+          } catch {}
+        }));
+
         if (groupByHash) {
           // Update existing groups or create new ones
           for (const p of filtered) {