diff --git a/lib/util.php b/lib/util.php
index 7959978683..e37df63484 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -862,7 +862,14 @@ function common_xml_safe_str($str)
 function common_tag_link($tag)
 {
     $canonical = common_canonical_tag($tag);
-    $url = common_local_url('tag', array('tag' => $canonical));
+    if (common_config('singleuser', 'enabled')) {
+        // regular TagAction isn't set up in 1user mode
+        $url = common_local_url('showstream',
+                                array('nickname' => common_config('singleuser', 'nickname'),
+                                      'tag' => $canonical));
+    } else {
+        $url = common_local_url('tag', array('tag' => $canonical));
+    }
     $xs = new XMLStringer();
     $xs->elementStart('span', 'tag');
     $xs->element('a', array('href' => $url,