diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 877c6d9c9..dc07a8f93 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -77,18 +77,18 @@ module ApplicationHelper
   def pagination_links_full(paginator, options={}, html_options={})
     html = ''    
     html << link_to_remote(('&#171; ' + l(:label_previous)), 
-                            {:update => "content", :url => params.merge({ :page => paginator.current.previous })},
-                            {:href => url_for(:action => 'list', :params => params.merge({:page => paginator.current.previous}))}) + ' ' if paginator.current.previous
+                            {:update => "content", :url => { :page => paginator.current.previous }},
+                            {:href => url_for(:action => 'list', :params =>{:page => paginator.current.previous})}) + ' ' if paginator.current.previous
                             
     html << (pagination_links_each(paginator, options) do |n|
       link_to_remote(n.to_s, 
-                      {:url => {:action => 'list', :params => params.merge({:page => n})}, :update => 'content'},
-                      {:href => url_for(:action => 'list', :params => params.merge({:page => n}))})
+                      {:url => {:action => 'list', :params => {:page => n}}, :update => 'content'},
+                      {:href => url_for(:action => 'list', :params => {:page => n})})
     end || '')
     
     html << ' ' + link_to_remote((l(:label_next) + ' &#187;'), 
-                                 {:update => "content", :url => params.merge({ :page => paginator.current.next })},
-                                 {:href => url_for(:action => 'list', :params => params.merge({:page => paginator.current.next}))}) if paginator.current.next
+                                 {:update => "content", :url => { :page => paginator.current.next }},
+                                 {:href => url_for(:action => 'list', :params => {:page => paginator.current.next})}) if paginator.current.next
     html  
   end
   
diff --git a/app/helpers/sort_helper.rb b/app/helpers/sort_helper.rb
index eac0d4d3f..5201b7ef4 100644
--- a/app/helpers/sort_helper.rb
+++ b/app/helpers/sort_helper.rb
@@ -107,10 +107,12 @@ module SortHelper
       order = 'desc' # changed for desc order by default
     end
     caption = titleize(Inflector::humanize(column)) unless caption
-    #params = {:params => {:sort_key => column, :sort_order => order}}
+    
+    url = {:sort_key => column, :sort_order => order, :issue_id => params[:issue_id], :project_id => params[:project_id]}
+    
     link_to_remote(caption,
-                  {:update => "content", :url => params.update( :sort_key => column, :sort_order => order)},
-                  {:href => url_for(:params => params.update(:sort_key => column, :sort_order => order))}) +
+                  {:update => "content", :url => url},
+                  {:href => url_for(url)}) +
     (icon ? nbsp(2) + image_tag(icon) : '')
   end