diff --git a/changelogs/client_server/newsfragments/1564.clarification b/changelogs/client_server/newsfragments/1564.clarification
new file mode 100644
index 00000000..59fcf699
--- /dev/null
+++ b/changelogs/client_server/newsfragments/1564.clarification
@@ -0,0 +1 @@
+Allow `null` in `room_types` in `POST /publicRooms` endpoints schemas.
diff --git a/changelogs/server_server/newsfragments/1564.clarification b/changelogs/server_server/newsfragments/1564.clarification
new file mode 100644
index 00000000..59fcf699
--- /dev/null
+++ b/changelogs/server_server/newsfragments/1564.clarification
@@ -0,0 +1 @@
+Allow `null` in `room_types` in `POST /publicRooms` endpoints schemas.