diff --git a/app/actor.py b/app/actor.py
index 6ebdf3f..9958bc9 100644
--- a/app/actor.py
+++ b/app/actor.py
@@ -116,7 +116,7 @@ class Actor:
 
     @cached_property
     def server(self) -> str:
-        return urlparse(self.ap_id).netloc
+        return urlparse(self.ap_id).hostname  # type: ignore
 
 
 class RemoteActor(Actor):
diff --git a/app/boxes.py b/app/boxes.py
index 078759c..666c275 100644
--- a/app/boxes.py
+++ b/app/boxes.py
@@ -1255,7 +1255,7 @@ async def _process_note_object(
             is_mention = True
 
     inbox_object = models.InboxObject(
-        server=urlparse(ro.ap_id).netloc,
+        server=urlparse(ro.ap_id).hostname,
         actor_id=from_actor.id,
         ap_actor_id=from_actor.ap_id,
         ap_type=ro.ap_type,
@@ -1521,7 +1521,7 @@ async def save_to_inbox(
             )
 
     inbox_object = models.InboxObject(
-        server=urlparse(activity_ro.ap_id).netloc,
+        server=urlparse(activity_ro.ap_id).hostname,
         actor_id=actor.id,
         ap_actor_id=actor.ap_id,
         ap_type=activity_ro.ap_type,
@@ -1668,7 +1668,7 @@ async def save_to_inbox(
                 )
                 announced_object = RemoteObject(announced_raw_object, announced_actor)
                 announced_inbox_object = models.InboxObject(
-                    server=urlparse(announced_object.ap_id).netloc,
+                    server=urlparse(announced_object.ap_id).hostname,
                     actor_id=announced_actor.id,
                     ap_actor_id=announced_actor.ap_id,
                     ap_type=announced_object.ap_type,
diff --git a/app/utils/indieauth.py b/app/utils/indieauth.py
index 00d2714..44a6b50 100644
--- a/app/utils/indieauth.py
+++ b/app/utils/indieauth.py
@@ -24,7 +24,7 @@ def _get_prop(props: dict[str, Any], name: str, default=None) -> Any:
 
 async def get_client_id_data(url: str) -> IndieAuthClient | None:
     # Don't fetch localhost URL
-    if urlparse(url).netloc == "localhost":
+    if urlparse(url).hostname == "localhost":
         return IndieAuthClient(
             logo=None,
             name=url,
diff --git a/app/utils/opengraph.py b/app/utils/opengraph.py
index 1735936..426c6a0 100644
--- a/app/utils/opengraph.py
+++ b/app/utils/opengraph.py
@@ -39,7 +39,7 @@ def _scrap_og_meta(url: str, html: str) -> OpenGraphMeta | None:
         "title": soup.find("title").text,
         "image": None,
         "description": None,
-        "site_name": urlparse(url).netloc,
+        "site_name": urlparse(url).hostname,
     }
     for field in OpenGraphMeta.__fields__.keys():
         og_field = f"og:{field}"
@@ -60,7 +60,7 @@ async def external_urls(
     db_session: AsyncSession,
     ro: ap_object.RemoteObject | OutboxObject | InboxObject,
 ) -> set[str]:
-    note_host = urlparse(ro.ap_id).netloc
+    note_host = urlparse(ro.ap_id).hostname
 
     tags_hrefs = set()
     for tag in ro.tags:
@@ -84,7 +84,7 @@ async def external_urls(
             mimetype, _ = mimetypes.guess_type(h)
             if (
                 ph.scheme in {"http", "https"}
-                and ph.netloc != note_host
+                and ph.hostname != note_host
                 and is_url_valid(h)
                 and (
                     not mimetype
diff --git a/app/utils/privacy_replace.py b/app/utils/privacy_replace.py
index c3795b6..e815e85 100644
--- a/app/utils/privacy_replace.py
+++ b/app/utils/privacy_replace.py
@@ -27,11 +27,13 @@ def replace_url(u: str) -> str:
 
     try:
         parsed_href = urlparse(u)
+        if not parsed_href.hostname:
+            raise ValueError("Missing hostname")
     except Exception:
         logger.warning(f"Failed to parse url={u}")
         return u
 
-    if new_netloc := PRIVACY_REPLACE.get(parsed_href.netloc.removeprefix("www.")):
+    if new_netloc := PRIVACY_REPLACE.get(parsed_href.hostname.removeprefix("www.")):
         return parsed_href._replace(netloc=new_netloc).geturl()
 
     return u
diff --git a/tests/factories.py b/tests/factories.py
index 5f57a80..a3693ef 100644
--- a/tests/factories.py
+++ b/tests/factories.py
@@ -220,7 +220,7 @@ class InboxObjectFactory(factory.alchemy.SQLAlchemyModelFactory):
         if "published" in ro.ap_object:
             ap_published_at = isoparse(ro.ap_object["published"])
         return cls(
-            server=urlparse(ro.ap_id).netloc,
+            server=urlparse(ro.ap_id).hostname,
             actor_id=actor.id,
             ap_actor_id=actor.ap_id,
             ap_type=ro.ap_type,