diff --git a/src/calibre/ebooks/metadata/book/render.py b/src/calibre/ebooks/metadata/book/render.py
index 3278cce89a..3bef23572a 100644
--- a/src/calibre/ebooks/metadata/book/render.py
+++ b/src/calibre/ebooks/metadata/book/render.py
@@ -194,9 +194,12 @@ def mi_to_html(mi, field_list=None, default_author_link=None, use_roman_numbers=
                     st = metadata['search_terms'][0]
                 except Exception:
                     st = field
+                all_vals = mi.get(field)
+                if field == 'tags':
+                    all_vals = sorted(all_vals, key=sort_key)
                 links = ['<a href="%s" title="%s">%s</a>' % (
                     search_href(st, x), _('Click to see books with {0}: {1}').format(metadata['name'], x), x)
-                         for x in mi.get(field)]
+                         for x in all_vals]
                 val = metadata['is_multiple']['list_to_ui'].join(links)
             elif metadata['datatype'] == 'enumeration':
                 try: