diff --git a/gemeinsamforschen/src/scripts/dbschema/fltrail.sql b/gemeinsamforschen/src/scripts/dbschema/fltrail.sql
index 11c65982147c30144dbac322771ebf79d051eed9..4ceecabccb7b30cda2dee0644c35246da7831022 100644
--- a/gemeinsamforschen/src/scripts/dbschema/fltrail.sql
+++ b/gemeinsamforschen/src/scripts/dbschema/fltrail.sql
@@ -13,8 +13,9 @@ CREATE TABLE if not exists `projects` (
 
 
 CREATE TABLE if not exists `groups` (
-  `id` int NOT NULL AUTO_INCREMENT,
-  `projectId` varchar(400) NOT NULL,
+  `id`         int          NOT NULL AUTO_INCREMENT,
+  `projectId`  varchar(400) NOT NULL,
+  `chatRoomId` varchar(400) NOT NULL,
    PRIMARY KEY (id)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;