diff -u b/aes.module b/aes.module
--- b/aes.module
+++ b/aes.module
@@ -363,7 +363,7 @@
     // Calling custom hook_aes_config_change from each module which
     // implements this hook.
     foreach (module_implements('aes_config_change') as $module) {
-       $function = $module . '_aes_config_change';
+      $function = $module . '_aes_config_change';
       $function($decrypt_params, $encrypt_params);
     }
   }
@@ -373,27 +373,27 @@
  * Implements hook_aes_config_change().
  */
 function aes_aes_config_change($decrypt_params, $encrypt_params) {
-    // Re encrypt user paswords.
-    $accounts = db_select('aes_passwords', 'p')
-      ->fields('p', array('uid', 'pass'))
-      ->condition('uid', 0, '!=')
-      ->execute()
-      ->fetchAll();
-    foreach ($accounts as $account) {
-      $decrypt_params['string'] = $account->pass;
-      $plain_pass = call_user_func_array('aes_decrypt', $decrypt_params);
-      $encrypt_params['string'] = $plain_pass;
-      $new_pass = call_user_func_array('aes_encrypt', $encrypt_params);
-      db_update('aes_passwords')
-        ->fields(array('pass' => $new_pass))
-        ->where("uid = :uid", array(
-          ':uid' => $account->uid,
-        ))
-        ->execute();
-    }
-    if (count($accounts)) {
-      drupal_set_message(t("Updated the passwords of @updates_num users because of a change in encryption settings.", array('@updates_num' => count($accounts))));
-    }
+  // Re encrypt user paswords.
+  $accounts = db_select('aes_passwords', 'p')
+    ->fields('p', array('uid', 'pass'))
+    ->condition('uid', 0, '!=')
+    ->execute()
+    ->fetchAll();
+  foreach ($accounts as $account) {
+    $decrypt_params['string'] = $account->pass;
+    $plain_pass = call_user_func_array('aes_decrypt', $decrypt_params);
+    $encrypt_params['string'] = $plain_pass;
+    $new_pass = call_user_func_array('aes_encrypt', $encrypt_params);
+    db_update('aes_passwords')
+      ->fields(array('pass' => $new_pass))
+      ->where("uid = :uid", array(
+        ':uid' => $account->uid,
+      ))
+      ->execute();
+  }
+  if (count($accounts)) {
+    drupal_set_message(t("Updated the passwords of @updates_num users because of a change in encryption settings.", array('@updates_num' => count($accounts))));
+  }
 }
 
 /**