--- a/ckanext/example/theme/templates/forms/dataset_form.html
+++ b/ckanext/example/theme/templates/forms/dataset_form.html
@@ -137,7 +137,7 @@
     <dt class="tags-label"><label class="field_opt" for="tags">Tags</label></dt>
     <dd class="tags-field">
       <input class="long autocomplete-tag" id="tag_string" name="tag_string" size="60" type="text" 
-               value="${data.get('tag_string') or ', '.join([tag['name'] for tag in data.get('tags', [])])}" />
+               value="${data.get('tag_string') or ', '.join([tag['name'] for tag in data.get('tags', []) if not tag.get('vocabulary_id')])}" />
     </dd>
     <dd class="tags-instructions instructions basic" i18n:msg="">Comma-separated terms that may link this dataset to similar ones. For more information on conventions, see <a href="http://wiki.okfn.org/ckan/doc/faq#TagConventions">this wiki page</a>.</dd>
     <dd class="tags-instructions hints">e.g. pollution, rivers, water quality</dd>