diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 0fb05178..e7aa2703 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -263,8 +263,8 @@ module ApplicationHelper
   def pagination_links_full(paginator, count=nil, options={})
     page_param = options.delete(:page_param) || :page
     url_param = params.dup
-    # don't reuse params if filters are present
-    url_param.clear if url_param.has_key?(:set_filter)
+    # don't reuse query params if filters are present
+    url_param.merge!(:fields => nil, :values => nil, :operators => nil) if url_param.delete(:set_filter)
 
     html = ''
     if paginator.current.previous
diff --git a/app/views/issues/index.rhtml b/app/views/issues/index.rhtml
index 64592a5a..dc93e41f 100644
--- a/app/views/issues/index.rhtml
+++ b/app/views/issues/index.rhtml
@@ -3,7 +3,7 @@
     <% html_title(l(:label_issue_plural)) %>
     
     <% form_tag({ :controller => 'queries', :action => 'new' }, :id => 'query_form') do %>
-    <%= hidden_field_tag('project_id', @project.id) if @project %>
+    <%= hidden_field_tag('project_id', @project.to_param) if @project %>
     <fieldset id="filters"><legend><%= l(:label_filter_plural) %></legend>
     <%= render :partial => 'queries/filters', :locals => {:query => @query} %>
     <p class="buttons">
@@ -14,7 +14,7 @@
                        }, :class => 'icon icon-checked' %>
                        
     <%= link_to_remote l(:button_clear),
-                       { :url => { :set_filter => 1, :project_id => (@project.nil? ? nil : @project.id) },
+                       { :url => { :set_filter => 1, :project_id => @project },
                          :method => :get,
                          :update => "content",
                        }, :class => 'icon icon-reload'  %>
diff --git a/app/views/queries/_filters.rhtml b/app/views/queries/_filters.rhtml
index c9d61236..b25cd01a 100644
--- a/app/views/queries/_filters.rhtml
+++ b/app/views/queries/_filters.rhtml
@@ -95,7 +95,10 @@ function toggle_multi_select(field) {
 </td>
 <td class="add-filter">
 <%= l(:label_filter_add) %>:
-<%= select_tag 'add_filter_select', options_for_select([["",""]] + query.available_filters.sort{|a,b| a[1][:order]<=>b[1][:order]}.collect{|field| [ field[1][:name] || l(("field_"+field[0].to_s.gsub(/\_id$/, "")).to_sym), field[0]] unless query.has_filter?(field[0])}.compact), :onchange => "add_filter();", :class => "select-small" %>
+<%= select_tag 'add_filter_select', options_for_select([["",""]] + query.available_filters.sort{|a,b| a[1][:order]<=>b[1][:order]}.collect{|field| [ field[1][:name] || l(("field_"+field[0].to_s.gsub(/_id$/, "")).to_sym), field[0]] unless query.has_filter?(field[0])}.compact),
+																		:onchange => "add_filter();",
+																		:class => "select-small",
+																		:name => nil %>
 </td>
 </tr>
 </table>