diff --git a/lib/redmine_dmsf/patches/user_preference_patch.rb b/lib/redmine_dmsf/patches/user_preference_patch.rb
index 512e121f..b29e79ba 100644
--- a/lib/redmine_dmsf/patches/user_preference_patch.rb
+++ b/lib/redmine_dmsf/patches/user_preference_patch.rb
@@ -26,7 +26,7 @@ module DmsfUserPreference
   module InstanceMethods
 
     def dmsf_tree_view
-      self[:dmsf_tree_view] || '0'
+      self[:dmsf_tree_view] || '1'
     end
 
     def dmsf_tree_view=(value)