diff --git a/src/db/main-db-p.h b/src/db/main-db-p.h
index cec8344a1..6e33241b3 100644
--- a/src/db/main-db-p.h
+++ b/src/db/main-db-p.h
@@ -43,6 +43,10 @@ class MainDbPrivate : public AbstractDbPrivate {
 public:
 
 private:
+	// ---------------------------------------------------------------------------
+	// Low level API.
+	// ---------------------------------------------------------------------------
+
 	long insertSipAddress (const std::string &sipAddress);
 	void insertContent (long messageEventId, const Content &content);
 	long insertContentType (const std::string &contentType);
@@ -61,6 +65,8 @@ private:
 
 	void insertMessageParticipant (long messageEventId, long sipAddressId, ChatMessage::State state);
 
+	void insertConferenceEvent (long eventId, long chatRoomId);
+
 	std::unordered_map<std::string, std::weak_ptr<ChatRoom>> chatRooms;
 
 	L_DECLARE_PUBLIC(MainDb);
diff --git a/src/db/main-db.cpp b/src/db/main-db.cpp
index db0d2360c..4a085a0a2 100644
--- a/src/db/main-db.cpp
+++ b/src/db/main-db.cpp
@@ -236,6 +236,12 @@ MainDb::MainDb () : AbstractDb(*new MainDbPrivate) {}
 				soci::use(messageEventId), soci::use(sipAddressId), soci::use(static_cast<int>(state));
 	}
 
+	void MainDbPrivate::insertConferenceEvent (long eventId, long chatRoomId) {
+		soci::session *session = dbSession.getBackendSession<soci::session>();
+		*session << "INSERT INTO conference_event (event_id, chat_room_id) VALUES (:eventId, :chatRoomId)",
+			soci::use(eventId), soci::use(chatRoomId);
+	}
+
 // -----------------------------------------------------------------------------
 
 	#define LEGACY_MESSAGE_COL_LOCAL_ADDRESS 1