diff --git modules/block/block.install modules/block/block.install
index 4e2d8ae..6fd3dd3 100644
--- modules/block/block.install
+++ modules/block/block.install
@@ -226,7 +226,7 @@ function block_install() {
  */
 function block_update_7000() {
   db_update('system')
-    ->fields(array('weight', '-5'))
+    ->fields(array('weight' => '-5'))
     ->condition('name', 'block')
     ->execute();
 }
diff --git modules/comment/comment.install modules/comment/comment.install
index b3cefcb..10cadce 100644
--- modules/comment/comment.install
+++ modules/comment/comment.install
@@ -73,7 +73,7 @@ function comment_update_7001() {
 
   foreach ($changes as $old => $new) {
   db_update('comments')
-    ->fields(array('status', $new))
+    ->fields(array('status' => $new))
     ->condition('status', $old)
     ->execute();
   }
diff --git modules/filter/filter.install modules/filter/filter.install
index 8cb43f0..6067fc9 100644
--- modules/filter/filter.install
+++ modules/filter/filter.install
@@ -194,11 +194,11 @@ function filter_update_7003() {
   // Loop through each filter and make changes to the core filter table.
   foreach ($renamed_deltas as $module => $deltas) {
     foreach ($deltas as $old_delta => $new_delta) {
-    	db_update('filter')
-    	  ->fields(array('name', $new_delta))
-    	  ->condition('module', $module)
-    	  ->condition('name', $old_delta)
-    	  ->execute();
+      db_update('filter')
+        ->fields(array('name' => $new_delta))
+        ->condition('module', $module)
+        ->condition('name', $old_delta)
+        ->execute();
     }
   }
 }
diff --git modules/user/user.install modules/user/user.install
index d4b87ce..43f9a31 100644
--- modules/user/user.install
+++ modules/user/user.install
@@ -352,15 +352,15 @@ function user_update_7002(&$sandbox) {
         }
       }
       if ($timezone) {
-      	db_update('users')
-      	  ->fields(array('timezone' => $timezone))
-      	  ->condition('uid', $account->uid)
-      	  ->execute();
+        db_update('users')
+          ->fields(array('timezone' => $timezone))
+          ->condition('uid', $account->uid)
+          ->execute();
       }
       else {
         $sandbox['user_not_migrated']++;
         db_update('users')
-          ->fields(array('timezone', NULL))
+          ->fields(array('timezone' => NULL))
           ->condition('uid', $account->uid)
           ->execute();
       }