Index: lib/redmine/helpers/gantt.rb
===================================================================
--- lib/redmine/helpers/gantt.rb	(revision 3824)
+++ lib/redmine/helpers/gantt.rb	(working copy)
@@ -33,8 +33,8 @@
             @month_from = 1
           end
         else
-          @month_from ||= Date.today.month
-          @year_from ||= Date.today.year
+          @month_from ||= (User.current.pref[:gantt_month] || Date.today.month)
+          @year_from ||= (User.current.pref[:gantt_year] || Date.today.year)
         end
         
         zoom = (options[:zoom] || User.current.pref[:gantt_zoom]).to_i
@@ -43,9 +43,10 @@
         @months = (months > 0 && months < 25) ? months : 6
         
         # Save gantt parameters as user preference (zoom and months count)
-        if (User.current.logged? && (@zoom != User.current.pref[:gantt_zoom] || @months != User.current.pref[:gantt_months]))
-          User.current.pref[:gantt_zoom], User.current.pref[:gantt_months] = @zoom, @months
-          User.current.preference.save
+        pref = User.current.pref
+        if User.current.logged? && (@zoom != pref[:gantt_zoom] || @months != pref[:gantt_months] || @month_from != pref[:gantt_month] || @year_from != pref[:year_from])
+          pref[:gantt_zoom], pref[:gantt_months], pref[:gantt_month], pref[:year_from] = @zoom, @months, @month_from, @year_from
+          pref.save
         end
         
         @date_from = Date.civil(@year_from, @month_from, 1)