diff --git a/central_db.sql.php b/central_db.sql.php
index c1943b3..6cf77c8 100644
--- a/central_db.sql.php
+++ b/central_db.sql.php
@@ -5,7 +5,7 @@ CREATE TABLE mDNS (
  Type ENUM('A','PTR','SRV') NOT NULL,
  Name VARCHAR(255),
  Data VARCHAR(1024),
- LastUpdated TIMESTAMP on update CURRENT_TIMESTAMP NOT NULL,
+ LastUpdated TIMESTAMP on update CURRENT_TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (Host,Type,Name)
 );