diff --git a/templates/index.opds b/templates/index.opds
index d195ad4..8660b1d 100644
--- a/templates/index.opds
+++ b/templates/index.opds
@@ -46,7 +46,7 @@
           title="{{html .}}"
           type="application/atom+xml;profile=opds-catalog;kind=acquisition"/>
 	<updated>{{$updated}}</updated>
-	<id>{{$baseurl}}/search/?tag:{{urlquery .}}</id>
+	<id>{{$baseurl}}/search/?q=tag:{{urlquery .}}</id>
   </entry>
 {{end}}
 </feed>