diff -r ab0e59f856ba -r 2cc9845228b3 vendor/plugins/redmine_tags/app/views/projects/_filter_search_tags.html.erb
--- a/vendor/plugins/redmine_tags/app/views/projects/_filter_search_tags.html.erb
+++ b/vendor/plugins/redmine_tags/app/views/projects/_filter_search_tags.html.erb
@@ -6,7 +6,7 @@
       </p>
       <div id="project_tag_candidates" class="autocomplete"></div>
       <%= javascript_include_tag 'tags_input', :plugin => 'redmine_tags' -%>
-      <%= javascript_tag "observeProjectTagsField('#{url_for(:controller => 'auto_completes', :action => 'project_search_tags', :project_id => Project.first.id)}', true)" -%>
+      <%= javascript_tag "observeProjectTagsField('#{url_for(:controller => 'auto_completes', :action => 'project_search_tags')}', true)" -%>
     </div>
   <%- end -%>
 </p>