diff --git a/actions/all.php b/actions/all.php
index 4522329290..f74b3ff9c0 100644
--- a/actions/all.php
+++ b/actions/all.php
@@ -19,6 +19,8 @@
 
 if (!defined('LACONICA')) { exit(1); }
 
+require_once(INSTALLDIR.'/actions/showstream.php');
+
 class AllAction extends ShowstreamAction {
 
 	// XXX: push this up to a common function.
diff --git a/actions/public.php b/actions/public.php
index c8e6e36cfa..5b1e50fa3f 100644
--- a/actions/public.php
+++ b/actions/public.php
@@ -19,6 +19,8 @@
 
 if (!defined('LACONICA')) { exit(1); }
 
+require_once(INSTALLDIR.'/lib/stream.php');
+
 class PublicAction extends StreamAction {
 
 	function handle($args) {
diff --git a/actions/showstream.php b/actions/showstream.php
index 1f9fb935d4..004f238df5 100644
--- a/actions/showstream.php
+++ b/actions/showstream.php
@@ -19,6 +19,8 @@
 
 if (!defined('LACONICA')) { exit(1); }
 
+require_once(INSTALLDIR.'/lib/stream.php');
+
 define('SUBSCRIPTIONS_PER_ROW', 5);
 define('SUBSCRIPTIONS', 80);