diff -r 8712a4e535d3 -r c4f8106ce808 vendor/plugins/redmine_tags/app/views/projects/_filter_tags.rhtml
--- a/vendor/plugins/redmine_tags/app/views/projects/_filter_tags.rhtml
+++ b/vendor/plugins/redmine_tags/app/views/projects/_filter_tags.rhtml
@@ -7,7 +7,7 @@
       <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_tags', :project_id => Project.first.id)}')" %>
+      <%= javascript_tag "observeProjectTagsField('#{url_for(:controller => 'auto_completes', :action => 'project_tags', :project_id => Project.first.id)}', true)" %>
     </div>
   <% end -%>
 </p>
diff -r 8712a4e535d3 -r c4f8106ce808 vendor/plugins/redmine_tags/app/views/projects/_tags_form.html.erb
--- a/vendor/plugins/redmine_tags/app/views/projects/_tags_form.html.erb
+++ b/vendor/plugins/redmine_tags/app/views/projects/_tags_form.html.erb
@@ -3,6 +3,6 @@
   <p id="project_tags"><%= f.text_field :tag_list, :label => :tags, :size => 60, :class => 'hol' %></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_tags', :project_id => project)}')" %>
+  <%= javascript_tag "observeProjectTagsField('#{url_for(:controller => 'auto_completes', :action => 'project_tags', :project_id => project)}', false)" %>
 </div>
 <% end -%>
\ No newline at end of file
diff -r 8712a4e535d3 -r c4f8106ce808 vendor/plugins/redmine_tags/assets/javascripts/tags_input.js
--- a/vendor/plugins/redmine_tags/assets/javascripts/tags_input.js
+++ b/vendor/plugins/redmine_tags/assets/javascripts/tags_input.js
@@ -94,6 +94,10 @@
 }
 
 
-function observeProjectTagsField(url) {
-  new Redmine.TagsInput('project_tag_list').autocomplete('project_tag_candidates', url);
+function observeProjectTagsField(url, index) {
+	if(index){
+		new Redmine.TagsInput('project_tag_list').autocomplete('project_tag_candidates', url);
+	}else{
+		new Redmine.TagsInput('project_tag_list').autocomplete('project_tag_candidates', url);
+	}	
 }
\ No newline at end of file