diff --git masquerade.install masquerade.install
index c672e22..2e085b3 100644
--- masquerade.install
+++ masquerade.install
@@ -181,9 +181,9 @@ function masquerade_update_6005() {
  * Update masquerade block delta.
  */
 function masquerade_update_7000() {
-  $query = db_update('blocks', 'b');
-  $query->condition('b.module', 'masqurade');
-  $query->condition('b.delta', 0);
-  $query->fields('b.delta', 'masquerade');
-  $query->execute();
+  db_update('block')
+    ->fields(array('delta' => 'masquerade'))
+    ->condition('module', 'masquerade')
+    ->condition('delta', 0)
+    ->execute();
 }