diff --git a/Scripts/mysql-utf8mb4.sql b/Scripts/mysql-utf8mb4.sql
index d89285e4e..bd48c68be 100644
--- a/Scripts/mysql-utf8mb4.sql
+++ b/Scripts/mysql-utf8mb4.sql
@@ -141,7 +141,7 @@ CREATE TABLE sogo_quick_contact (
 
 CREATE TABLE sogo_sessions_folder (
 	c_id           varchar(255) NOT NULL,
-	c_value        varchar(255) NOT NULL,
+	c_value        varchar(4096) NOT NULL,
 	c_creationdate int(11)      NOT NULL,
 	c_lastseen     int(11)      NOT NULL,
 	PRIMARY KEY (c_id)