diff --git a/examples/contrib/har_dump.py b/examples/contrib/har_dump.py
index c932154f9..14ecad701 100644
--- a/examples/contrib/har_dump.py
+++ b/examples/contrib/har_dump.py
@@ -154,7 +154,7 @@ def response(flow: mitmproxy.http.HTTPFlow):
         }
 
     if flow.server_conn.connected:
-        entry["serverIPAddress"] = str(flow.server_conn.ip_address[0])
+        entry["serverIPAddress"] = str(flow.server_conn.peername[0])
 
     HAR["log"]["entries"].append(entry)