diff --git a/radicale/__init__.py b/radicale/__init__.py
index e4658179..70c88b97 100644
--- a/radicale/__init__.py
+++ b/radicale/__init__.py
@@ -607,14 +607,12 @@ class Application:
             if not item:
                 return NOT_FOUND
             if isinstance(item, storage.BaseCollection):
-                collection = item
-                if collection.get_meta("tag") not in (
-                        "VADDRESSBOOK", "VCALENDAR"):
+                tag = item.get_meta("tag")
+                if not tag:
                     return DIRECTORY_LISTING
+                content_type = xmlutils.MIMETYPES[tag]
             else:
-                collection = item.collection
-            content_type = xmlutils.MIMETYPES.get(
-                collection.get_meta("tag"), "text/plain")
+                content_type = xmlutils.OBJECT_MIMETYPES[item.name]
             headers = {
                 "Content-Type": content_type,
                 "Last-Modified": item.last_modified,
diff --git a/radicale/tests/test_base.py b/radicale/tests/test_base.py
index 0038a660..122ec5aa 100644
--- a/radicale/tests/test_base.py
+++ b/radicale/tests/test_base.py
@@ -63,6 +63,7 @@ class BaseRequestsMixIn:
         status, headers, answer = self.request("GET", path)
         assert status == 200
         assert "ETag" in headers
+        assert headers["Content-Type"] == "text/calendar; charset=utf-8"
         assert "VEVENT" in answer
         assert "Event" in answer
         assert "UID:event" in answer
@@ -102,6 +103,7 @@ class BaseRequestsMixIn:
         status, headers, answer = self.request("GET", path)
         assert status == 200
         assert "ETag" in headers
+        assert headers["Content-Type"] == "text/calendar; charset=utf-8"
         assert "VTODO" in answer
         assert "Todo" in answer
         assert "UID:todo" in answer
@@ -132,6 +134,7 @@ class BaseRequestsMixIn:
         status, headers, answer = self.request("GET", path)
         assert status == 200
         assert "ETag" in headers
+        assert headers["Content-Type"] == "text/vcard; charset=utf-8"
         assert "VCARD" in answer
         assert "UID:contact1" in answer
         status, _, answer = self.request("GET", path)
diff --git a/radicale/xmlutils.py b/radicale/xmlutils.py
index f0d8665e..adfb363b 100644
--- a/radicale/xmlutils.py
+++ b/radicale/xmlutils.py
@@ -42,6 +42,11 @@ MIMETYPES = {
     "VADDRESSBOOK": "text/vcard",
     "VCALENDAR": "text/calendar"}
 
+OBJECT_MIMETYPES = {
+    "VCARD": "text/vcard",
+    "VLIST": "text/x-vlist",
+    "VCALENDAR": "text/calendar"}
+
 NAMESPACES = {
     "C": "urn:ietf:params:xml:ns:caldav",
     "CR": "urn:ietf:params:xml:ns:carddav",