diff --git a/unstable/memcache-session.inc b/unstable/memcache-session.inc
index ee56e57..f0c1b69 100644
--- a/unstable/memcache-session.inc
+++ b/unstable/memcache-session.inc
@@ -55,7 +55,10 @@ function _drupal_session_read($key) {
   // Record whether this session contains data so that in sess_write() it can
   // be determined whether to skip a write.
   $user->session_data_present_at_load = !empty($session->session);
 
+  if ( (empty($user->session)) && (!empty($session->session)) ) {
+    $user->session = $session->session;
+  }
   return $user->session;
 }