diff --git a/autoload/vimwiki/tags.vim b/autoload/vimwiki/tags.vim
index ae7ee03..3bb4ce2 100644
--- a/autoload/vimwiki/tags.vim
+++ b/autoload/vimwiki/tags.vim
@@ -41,12 +41,14 @@ function! vimwiki#tags#update_tags(full_rebuild, all_files) "{{{
     call s:write_tags_metadata(metadata)
   else " full rebuild
     let files = vimwiki#base#find_files(g:vimwiki_current_idx, 0)
+    let wiki_base_dir = VimwikiGet('path', g:vimwiki_current_idx)
     let tags_file_last_modification =
           \ getftime(vimwiki#tags#metadata_file_path())
     let metadata = s:load_tags_metadata()
     for file in files
       if all_files || getftime(file) >= tags_file_last_modification
-        let page_name = fnamemodify(file, ':t:r')
+        let subdir = vimwiki#base#subdir(wiki_base_dir, file)
+        let page_name = subdir . fnamemodify(file, ':t:r')
         let tags = s:scan_tags(readfile(file), page_name)
         let metadata = s:remove_page_from_tags(metadata, page_name)
         let metadata = s:merge_tags(metadata, page_name, tags)