diff --git a/site_verify.install b/site_verify.install
index 67c9f61..1949b47 100644
--- a/site_verify.install
+++ b/site_verify.install
@@ -113,8 +113,6 @@ function site_verify_update_3() {
 function site_verify_update_4() {
   // Update database schema.
   db_drop_field('site_verify', 'svid');
-  db_add_field('site_verify', 'svid', array('type' => 'varchar', 'length' => 128, 'not null' => TRUE, 'default' => '', 'description' => 'Primary Key: Unique site verification ID.'), array('primary key' => array('svid')));
-  db_add_field('site_verify', 'label', array('type' => 'varchar', 'length' => 128, 'not null' => TRUE, 'default' => ''));
 
   $engines = site_verify_get_engines();
   $verifications = db_select('site_verify', 'sv')
@@ -123,6 +121,9 @@ function site_verify_update_4() {
     ->fetchAll();
   db_delete('site_verify')->execute();
 
+  db_add_field('site_verify', 'svid', array('type' => 'varchar', 'length' => 128, 'not null' => TRUE, 'default' => '', 'description' => 'Primary Key: Unique site verification ID.'), array('primary key' => array('svid')));
+  db_add_field('site_verify', 'label', array('type' => 'varchar', 'length' => 128, 'not null' => TRUE, 'default' => ''));
+
   // Re-create verification records.
   foreach ($verifications as $delta => $verification) {
     $verification->svid = "{$verification->engine}_{$delta}";