diff --git a/prometheus_client/exposition.py b/prometheus_client/exposition.py
index 30194dd8..3a47917c 100644
--- a/prometheus_client/exposition.py
+++ b/prometheus_client/exposition.py
@@ -154,7 +154,7 @@ def _get_best_family(address, port):
     # binding an ipv6 address is requested.
     # This function is based on what upstream python did for http.server
     # in https://github.com/python/cpython/pull/11767
-    infos = socket.getaddrinfo(address, port)
+    infos = socket.getaddrinfo(address, port, type=socket.SOCK_STREAM, flags=socket.AI_PASSIVE)
     family, _, _, _, sockaddr = next(iter(infos))
     return family, sockaddr[0]