diff --git a/mongodb_session/mongodb_session.info b/mongodb_session/mongodb_session.info
index 58ef7b9..f59cf2b 100644
--- a/mongodb_session/mongodb_session.info
+++ b/mongodb_session/mongodb_session.info
@@ -1,6 +1,7 @@
 
 name = MongoDB Session
-description = Store session information in MongoDB 
+description = Store session information in MongoDB
+dependencies[] = mongodb_field_storage
 package = MongoDB
 core = 7.x
 files[] = mongodb_session.module
diff --git a/mongodb_session/mongodb_session.module b/mongodb_session/mongodb_session.module
index 09342f3..1adf0b2 100644
--- a/mongodb_session/mongodb_session.module
+++ b/mongodb_session/mongodb_session.module
@@ -19,19 +19,17 @@ function mongodb_session_simpletest_alter(&$groups) {
  */
 function mongodb_session_user_update($edit, $account) {
   // Update field values for changed values of the user.
-  if (module_exists('mongodb_field_storage')) {
-    $roles = _mongodb_session_get_roles($account);
-    $save = (array) $account + array(
-      '_id' => (int) $account->uid,
-      '@bundle' => 'user',
-      '@fields' => array(),
-      'roles' => $roles,
-    );
-    foreach (array('uid', 'created', 'access', 'login', 'status', 'picture') as $key) {
-      $save[$key] = (int) $save[$key];
-    }
-    mongodb_collection('fields_current', 'user')->save($save);
+  $roles = _mongodb_session_get_roles($account);
+  $save = (array) $account + array(
+    '_id' => (int) $account->uid,
+    '@bundle' => 'user',
+    '@fields' => array(),
+    'roles' => $roles,
+  );
+  foreach (array('uid', 'created', 'access', 'login', 'status', 'picture') as $key) {
+    $save[$key] = (int) $save[$key];
   }
+  mongodb_collection('fields_current', 'user')->save($save);
 }
 
 function mongodb_session_user_insert($edit, $account) {