diff --git a/installer/data/mysql/db_revs/240600029.pl b/installer/data/mysql/db_revs/240600029.pl
old mode 100755
new mode 100644
index 34130aa521..760561001f
--- a/installer/data/mysql/db_revs/240600029.pl
+++ b/installer/data/mysql/db_revs/240600029.pl
@@ -25,10 +25,10 @@ return {
         }
 
         my $creation_date_statement = <<~'SQL';
-            ALTER TABLE bookings ADD COLUMN creation_date DATETIME DEFAULT CURRENT_TIMESTAMP COMMENT 'The datetime for when a bookings was created'
+            ALTER TABLE bookings ADD COLUMN creation_date DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL COMMENT 'the datetime for when a bookings was created'
         SQL
         my $modification_date_statement = <<~'SQL';
-            ALTER TABLE bookings ADD COLUMN modification_date DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT 'The datetime for when a booking has been updated'
+            ALTER TABLE bookings ADD COLUMN modification_date DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP NOT NULL COMMENT 'the datetime for when a booking has been updated'
         SQL
         if ( @{$existing_columns} == 0 ) {
             $dbh->do("$creation_date_statement AFTER `end_date`");