diff --git a/app/views/my/blocks/_locked_documents.html.erb b/app/views/my/blocks/_locked_documents.html.erb
index 30762435..cf4b1153 100644
--- a/app/views/my/blocks/_locked_documents.html.erb
+++ b/app/views/my/blocks/_locked_documents.html.erb
@@ -20,12 +20,14 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 %>
 
+<% folders = [] %>
+<% files = [] %>
 <% folders = DmsfFolder.joins(
   'JOIN dmsf_locks ON dmsf_folders.id = dmsf_locks.entity_id').where(
-  'dmsf_locks.entity_type' => 1, 'dmsf_locks.user_id' => @user.id).all %>
+  'dmsf_locks.entity_type' => 1, 'dmsf_locks.user_id' => @user.id).all if @user %>
 <% files = DmsfFile.joins(
   'JOIN dmsf_locks ON dmsf_files.id = dmsf_locks.entity_id').where(
-  'dmsf_locks.entity_type' => 0, 'dmsf_locks.user_id' => @user.id).all %>
+  'dmsf_locks.entity_type' => 0, 'dmsf_locks.user_id' => @user.id).all if @user %>
 <h3><%= l(:locked_documents)%> (<%= folders.count %>/<%=  files.count %>)</h3>
 <% if folders.any? || files.any?%>
   <%= form_tag({}) do %>