diff --git a/assets/sql/structure.sql b/assets/sql/structure.sql
index c65b30df..195d8aa8 100755
--- a/assets/sql/structure.sql
+++ b/assets/sql/structure.sql
@@ -6,7 +6,7 @@ CREATE TABLE IF NOT EXISTS `ea_appointments` (
     `book_datetime` DATETIME,
     `start_datetime` DATETIME,
     `end_datetime` DATETIME,
-    `timezone` VARCHAR(256),
+    `timezone` VARCHAR(256) DEFAULT 'UTC',
     `location` TEXT,
     `notes` TEXT,
     `hash` TEXT,