diff --git a/source/_components/mqtt_room.markdown b/source/_components/mqtt_room.markdown
index fe18eb216b4..3ee3c59c805 100644
--- a/source/_components/mqtt_room.markdown
+++ b/source/_components/mqtt_room.markdown
@@ -40,8 +40,7 @@ name:
   type: string
 state_topic:
   description: The topic that contains all subtopics for the rooms.
-  required: false
-  default: room_presence
+  required: true
   type: string
 timeout:
   description: "The time in seconds after which a room presence state is considered old. An example: device1 is reported at scanner1 with a distance of 1. No further updates are sent from scanner1. After 5 seconds scanner2 reports device1 with a distance of 2. The old location info is discarded in favor of the new scanner2 information as the timeout has passed."