diff --git a/include/api.php b/include/api.php
index 267ba0c06..f4d7c5f5a 100644
--- a/include/api.php
+++ b/include/api.php
@@ -1649,6 +1649,7 @@ function api_statuses_home_timeline($type)
 	$data = ['status' => $ret];
 	switch ($type) {
 		case "atom":
+			break;
 		case "rss":
 			$data = api_rss_extra($a, $data, $user_info);
 			break;
@@ -1731,6 +1732,7 @@ function api_statuses_public_timeline($type)
 	$data = ['status' => $ret];
 	switch ($type) {
 		case "atom":
+			break;
 		case "rss":
 			$data = api_rss_extra($a, $data, $user_info);
 			break;
@@ -1787,6 +1789,7 @@ function api_statuses_networkpublic_timeline($type)
 	$data = ['status' => $ret];
 	switch ($type) {
 		case "atom":
+			break;
 		case "rss":
 			$data = api_rss_extra($a, $data, $user_info);
 			break;
@@ -2108,6 +2111,7 @@ function api_statuses_mentions($type)
 	$data = ['status' => $ret];
 	switch ($type) {
 		case "atom":
+			break;
 		case "rss":
 			$data = api_rss_extra($a, $data, $user_info);
 			break;
@@ -2188,6 +2192,7 @@ function api_statuses_user_timeline($type)
 	$data = ['status' => $ret];
 	switch ($type) {
 		case "atom":
+			break;
 		case "rss":
 			$data = api_rss_extra($a, $data, $user_info);
 			break;
@@ -2263,8 +2268,10 @@ function api_favorites_create_destroy($type)
 	$data = ['status' => $ret];
 	switch ($type) {
 		case "atom":
+			break;
 		case "rss":
 			$data = api_rss_extra($a, $data, $user_info);
+			break;
 	}
 
 	return api_format_data("status", $type, $data);
@@ -2330,8 +2337,10 @@ function api_favorites($type)
 	$data = ['status' => $ret];
 	switch ($type) {
 		case "atom":
+			break;
 		case "rss":
 			$data = api_rss_extra($a, $data, $user_info);
+			break;
 	}
 
 	return api_format_data("statuses", $type, $data);
@@ -3145,6 +3154,7 @@ function api_lists_statuses($type)
 	$data = ['status' => $items];
 	switch ($type) {
 		case "atom":
+			break;
 		case "rss":
 			$data = api_rss_extra($a, $data, $user_info);
 			break;
@@ -3541,8 +3551,10 @@ function api_direct_messages_new($type)
 
 	switch ($type) {
 		case "atom":
+			break;
 		case "rss":
 			$data = api_rss_extra($a, $data, $sender);
+			break;
 	}
 
 	return api_format_data("direct-messages", $type, $data);
@@ -3807,8 +3819,10 @@ function api_direct_messages_box($type, $box, $verbose)
 	$data = ['direct_message' => $ret];
 	switch ($type) {
 		case "atom":
+			break;
 		case "rss":
 			$data = api_rss_extra($a, $data, $user_info);
+			break;
 	}
 
 	return api_format_data("direct-messages", $type, $data);
diff --git a/mod/pubsubhubbub.php b/mod/pubsubhubbub.php
index d38cbe227..59fd458f7 100644
--- a/mod/pubsubhubbub.php
+++ b/mod/pubsubhubbub.php
@@ -65,7 +65,7 @@ function pubsubhubbub_init(App $a) {
 
 		// fetch user from database given the nickname
 		$condition = ['nickname' => $nick, 'account_expired' => false, 'account_removed' => false];
-		$owner = DBA::selectFirst('user', ['uid', 'hidewall'], $condition);
+		$owner = DBA::selectFirst('user', ['uid', 'hidewall', 'nickname'], $condition);
 		if (!DBA::isResult($owner)) {
 			Logger::log('Local account not found: ' . $nick . ' - topic: ' . $hub_topic . ' - callback: ' . $hub_callback);
 			System::httpExit(404);
@@ -88,7 +88,9 @@ function pubsubhubbub_init(App $a) {
 
 		// sanity check that topic URLs are the same
 		$hub_topic2 = str_replace('/feed/', '/dfrn_poll/', $hub_topic);
-		if (!Strings::compareLink($hub_topic, $contact['poll']) && !Strings::compareLink($hub_topic2, $contact['poll'])) {
+		$self = System::baseUrl() . '/api/statuses/user_timeline/' . $owner['nickname'] . '.atom';
+
+		if (!Strings::compareLink($hub_topic, $contact['poll']) && !Strings::compareLink($hub_topic2, $contact['poll']) && !Strings::compareLink($hub_topic, $self)) {
 			Logger::log('Hub topic ' . $hub_topic . ' != ' . $contact['poll']);
 			System::httpExit(404);
 		}