diff --git a/backend/src/api/explorer/nodes.api.ts b/backend/src/api/explorer/nodes.api.ts
index 3c65ee1f8..22c854fcc 100644
--- a/backend/src/api/explorer/nodes.api.ts
+++ b/backend/src/api/explorer/nodes.api.ts
@@ -666,7 +666,9 @@ class NodesApi {
         node.last_update = null;
       }
   
-      const sockets = (node.addresses?.map(a => a.addr).join(',')) ?? '';
+      const uniqueAddr = [...new Set(node.addresses?.map(a => a.addr))];
+      const formattedSockets = (uniqueAddr.join(',')) ?? '';
+
       const query = `INSERT INTO nodes(
           public_key,
           first_seen,
@@ -695,13 +697,13 @@ class NodesApi {
         node.alias,
         this.aliasToSearchText(node.alias),
         node.color,
-        sockets,
+        formattedSockets,
         JSON.stringify(node.features),
         node.last_update,
         node.alias,
         this.aliasToSearchText(node.alias),
         node.color,
-        sockets,
+        formattedSockets,
         JSON.stringify(node.features),
       ]);
     } catch (e) {