diff --git a/dendrite-config.yaml b/dendrite-config.yaml
index 1df5ca490..6624ceb5a 100644
--- a/dendrite-config.yaml
+++ b/dendrite-config.yaml
@@ -78,3 +78,4 @@ listen:
     federation_api: "localhost:7772"
     sync_api: "localhost:7773"
     media_api: "localhost:7774"
+    public_rooms_api: "localhost:7775"
diff --git a/src/github.com/matrix-org/dendrite/common/config/config.go b/src/github.com/matrix-org/dendrite/common/config/config.go
index 13dc777be..e7ebb5d7b 100644
--- a/src/github.com/matrix-org/dendrite/common/config/config.go
+++ b/src/github.com/matrix-org/dendrite/common/config/config.go
@@ -142,6 +142,7 @@ type Dendrite struct {
 		SyncAPI          Address `yaml:"sync_api"`
 		RoomServer       Address `yaml:"room_server"`
 		FederationSender Address `yaml:"federation_sender"`
+		PublicRoomsAPI   Address `yaml:"public_rooms_api"`
 	} `yaml:"listen"`
 }