diff --git a/packages/node/meshnet_node/relay_bridge.py b/packages/node/meshnet_node/relay_bridge.py
index a66a513..af68e43 100644
--- a/packages/node/meshnet_node/relay_bridge.py
+++ b/packages/node/meshnet_node/relay_bridge.py
@@ -6,8 +6,10 @@ import base64
 import json
 import logging
 import os
+import re
 import threading
 import time
+import urllib.parse
 import urllib.error
 import urllib.request
 from concurrent.futures import ThreadPoolExecutor
@@ -259,5 +261,30 @@ class RelayHttpBridge:
         })
 
 
-def peer_id_from_wallet(wallet_address: str) -> str:
-    return wallet_address[:16] if len(wallet_address) >= 16 else wallet_address
+def _peer_id_suffix(value: str) -> str:
+    """Return a relay-safe suffix for a human node name or numeric instance id."""
+    suffix = re.sub(r"[^A-Za-z0-9_.-]+", "-", value.strip()).strip("-._")
+    return suffix[:32]
+
+
+def peer_id_from_wallet(
+    wallet_address: str,
+    *,
+    node_name: str | None = None,
+    advertised_addr: str | None = None,
+) -> str:
+    """Build a per-node relay peer id from the wallet plus node identity.
+
+    Multiple nodes can legitimately share one wallet for payouts, but the relay
+    registry is keyed by peer_id.  Using only the wallet prefix makes those
+    nodes overwrite each other at the relay.  Prefer the operator-provided node
+    name; if absent, use the advertised endpoint port as the stable integer
+    instance suffix (7001, 7002, ... for local multi-node runs).
+    """
+    wallet_prefix = wallet_address[:16] if len(wallet_address) >= 16 else wallet_address
+    suffix = _peer_id_suffix(node_name or "") if node_name else ""
+    if not suffix and advertised_addr:
+        parsed = urllib.parse.urlparse(advertised_addr)
+        if parsed.port is not None:
+            suffix = str(parsed.port)
+    return f"{wallet_prefix}-{suffix}" if suffix else wallet_prefix
diff --git a/packages/node/meshnet_node/startup.py b/packages/node/meshnet_node/startup.py
index fb02857..31ebf6c 100644
--- a/packages/node/meshnet_node/startup.py
+++ b/packages/node/meshnet_node/startup.py
@@ -346,11 +346,16 @@ def _start_relay_bridge_if_available(
     local_base_url: str,
     advertised_endpoint: str,
     relay_url: str | None = None,
+    node_name: str | None = None,
 ) -> tuple[RelayHttpBridge | None, dict]:
     relay_url = relay_url or _discover_relay_url(tracker_url)
     if not relay_url:
         return None, {}
-    peer_id = peer_id_from_wallet(wallet_address)
+    peer_id = peer_id_from_wallet(
+        wallet_address,
+        node_name=node_name,
+        advertised_addr=advertised_endpoint,
+    )
     bridge = RelayHttpBridge(
         relay_url=relay_url,
         peer_id=peer_id,
@@ -863,6 +868,7 @@ def run_startup(
             local_base_url,
             endpoint,
             relay_url=relay_url,
+            node_name=node_name,
         )
         _attach_relay_bridge(node, relay_bridge)
         # Register with tracker so other nodes can auto-join this model.
@@ -1015,6 +1021,7 @@ def run_startup(
             local_base_url,
             endpoint,
             relay_url=relay_url,
+            node_name=node_name,
         )
         _attach_relay_bridge(node, relay_bridge)
         model_cache_path = _model_cache_path(assigned_hf_repo, cache_dir)
@@ -1196,6 +1203,7 @@ def run_startup(
             local_base_url,
             endpoint,
             relay_url=relay_url,
+            node_name=node_name,
         )
         _attach_relay_bridge(node, relay_bridge)
         reg_payload = {
@@ -1257,6 +1265,7 @@ def run_startup(
         local_base_url,
         endpoint,
         relay_url=relay_url,
+        node_name=node_name,
     )
     _attach_relay_bridge(node, relay_bridge)
 
diff --git a/tests/test_gossip_and_relay.py b/tests/test_gossip_and_relay.py
index 9c272ce..bb6b1ad 100644
--- a/tests/test_gossip_and_relay.py
+++ b/tests/test_gossip_and_relay.py
@@ -41,6 +41,28 @@ def test_identity_different_for_different_paths(tmp_path):
     assert a["peer_id"] != b["peer_id"]
 
 
+def test_relay_peer_id_includes_node_name_for_shared_wallet():
+    from meshnet_node.relay_bridge import peer_id_from_wallet
+
+    wallet = "5gMLrmyBYTpkFjmyc4eGwcaWhYquyWgCBFFEqHzR5Qur"
+
+    assert peer_id_from_wallet(wallet, node_name="gpu head") == "5gMLrmyBYTpkFjmy-gpu-head"
+    assert peer_id_from_wallet(wallet, node_name="cpu-tail") == "5gMLrmyBYTpkFjmy-cpu-tail"
+
+
+def test_relay_peer_id_falls_back_to_endpoint_port_integer():
+    from meshnet_node.relay_bridge import peer_id_from_wallet
+
+    wallet = "5gMLrmyBYTpkFjmyc4eGwcaWhYquyWgCBFFEqHzR5Qur"
+
+    first = peer_id_from_wallet(wallet, advertised_addr="http://192.168.0.20:7001")
+    second = peer_id_from_wallet(wallet, advertised_addr="http://192.168.0.20:7002")
+
+    assert first == "5gMLrmyBYTpkFjmy-7001"
+    assert second == "5gMLrmyBYTpkFjmy-7002"
+    assert first != second
+
+
 # ---------------------------------------------------------------------------
 # TLS / certificate tests
 # ---------------------------------------------------------------------------