diff --git a/plugins/virtuoso/controllers/virtuoso_plugin_admin_controller.rb b/plugins/virtuoso/controllers/virtuoso_plugin_admin_controller.rb
index d5edf08..af973af 100644
--- a/plugins/virtuoso/controllers/virtuoso_plugin_admin_controller.rb
+++ b/plugins/virtuoso/controllers/virtuoso_plugin_admin_controller.rb
@@ -15,7 +15,7 @@ class VirtuosoPluginAdminController < AdminController
 
   def force_harvest
     harvest = VirtuosoPlugin::DspaceHarvest.new(environment)
-    harvest.start
+    harvest.start(params[:from_start])
     session[:notice] = _('Harvest started')
     redirect_to :action => :index
   end
diff --git a/plugins/virtuoso/lib/virtuoso_plugin/dspace_harvest.rb b/plugins/virtuoso/lib/virtuoso_plugin/dspace_harvest.rb
index 28b8f1f..70ddf92 100644
--- a/plugins/virtuoso/lib/virtuoso_plugin/dspace_harvest.rb
+++ b/plugins/virtuoso/lib/virtuoso_plugin/dspace_harvest.rb
@@ -49,8 +49,13 @@ class VirtuosoPlugin::DspaceHarvest
     puts "ending harvest #{harvest_time}"
   end
 
-  def start
+  def start(from_start = false)
     if find_job.empty?
+      if from_start
+        settings.last_harvest = nil
+        settings.save!
+      end
+
       job = VirtuosoPlugin::DspaceHarvest::Job.new(@environment.id)
       Delayed::Job.enqueue(job)
     end
diff --git a/plugins/virtuoso/test/functional/virtuoso_plugin_admin_controller_test.rb b/plugins/virtuoso/test/functional/virtuoso_plugin_admin_controller_test.rb
index e86a04d..ffd78d2 100644
--- a/plugins/virtuoso/test/functional/virtuoso_plugin_admin_controller_test.rb
+++ b/plugins/virtuoso/test/functional/virtuoso_plugin_admin_controller_test.rb
@@ -35,4 +35,11 @@ class VirtuosoPluginAdminControllerTest < ActionController::TestCase
     assert harvest.find_job.present?
   end
 
+  should 'force harvest from start' do
+    get :force_harvest, :from_start => true
+    harvest = VirtuosoPlugin::DspaceHarvest.new(environment)
+    assert harvest.find_job.present?
+    assert_equal nil, harvest.settings.last_harvest
+  end
+
 end
diff --git a/plugins/virtuoso/views/virtuoso_plugin_admin/index.html.erb b/plugins/virtuoso/views/virtuoso_plugin_admin/index.html.erb
index ddc86e9..6bc8e70 100644
--- a/plugins/virtuoso/views/virtuoso_plugin_admin/index.html.erb
+++ b/plugins/virtuoso/views/virtuoso_plugin_admin/index.html.erb
@@ -29,6 +29,7 @@
       <%= _('Running...') %>
     <% else %>
       <%= button :next, _('Force harvest'), :action => :force_harvest %>
+      <%= button :next, _('Force harvest from start'), :action => :force_harvest, :from_start => true %>
     <% end %>
   </div>
 </div>
--
libgit2 0.21.2