diff --git a/actions/publictagcloud.php b/actions/publictagcloud.php
index 9993b2d3fd..70c356659a 100644
--- a/actions/publictagcloud.php
+++ b/actions/publictagcloud.php
@@ -109,7 +109,7 @@ class PublictagcloudAction extends Action
         $cutoff = sprintf("notice_tag.created > '%s'",
                           common_sql_date(time() - common_config('tag', 'cutoff')));
         $tags->selectAdd($calc . ' as weight');
-        $tags->addWhere($cutoff);
+        $tags->whereAdd($cutoff);
         $tags->groupBy('tag');
         $tags->orderBy('weight DESC');
 
diff --git a/plugins/OStatus/classes/FeedSub.php b/plugins/OStatus/classes/FeedSub.php
index 80ba37bc11..b10509dae6 100644
--- a/plugins/OStatus/classes/FeedSub.php
+++ b/plugins/OStatus/classes/FeedSub.php
@@ -61,7 +61,7 @@ class FeedSub extends Memcached_DataObject
     public $__table = 'feedsub';
 
     public $id;
-    public $feeduri;
+    public $uri;
 
     // PuSH subscription data
     public $huburi;
@@ -238,7 +238,7 @@ class FeedSub extends Memcached_DataObject
     public function subscribe($mode='subscribe')
     {
         if ($this->sub_state && $this->sub_state != 'inactive') {
-            throw new ServerException("Attempting to start PuSH subscription to feed in state $this->sub_state");
+            common_log(LOG_WARNING, "Attempting to (re)start PuSH subscription to $this->uri in unexpected state $this->sub_state");
         }
         if (empty($this->huburi)) {
             if (common_config('feedsub', 'nohub')) {
@@ -261,7 +261,7 @@ class FeedSub extends Memcached_DataObject
      */
     public function unsubscribe() {
         if ($this->sub_state != 'active') {
-            throw new ServerException("Attempting to end PuSH subscription to feed in state $this->sub_state");
+            common_log(LOG_WARNING, "Attempting to (re)end PuSH subscription to $this->uri in unexpected state $this->sub_state");
         }
         if (empty($this->huburi)) {
             if (common_config('feedsub', 'nohub')) {
diff --git a/plugins/OStatus/classes/Ostatus_profile.php b/plugins/OStatus/classes/Ostatus_profile.php
index 31fba009ed..4f449a44d2 100644
--- a/plugins/OStatus/classes/Ostatus_profile.php
+++ b/plugins/OStatus/classes/Ostatus_profile.php
@@ -204,12 +204,13 @@ class Ostatus_profile extends Memcached_DataObject
     public function subscribe()
     {
         $feedsub = FeedSub::ensureFeed($this->feeduri);
-        if ($feedsub->sub_state == 'active' || $feedsub->sub_state == 'subscribe') {
+        if ($feedsub->sub_state == 'active') {
+            // Active subscription, we don't need to do anything.
             return true;
-        } else if ($feedsub->sub_state == '' || $feedsub->sub_state == 'inactive') {
+        } else {
+            // Inactive or we got left in an inconsistent state.
+            // Run a subscription request to make sure we're current!
             return $feedsub->subscribe();
-        } else if ('unsubscribe') {
-            throw new FeedSubException("Unsub is pending, can't subscribe...");
         }
     }
 
@@ -222,15 +223,13 @@ class Ostatus_profile extends Memcached_DataObject
      */
     public function unsubscribe() {
         $feedsub = FeedSub::staticGet('uri', $this->feeduri);
-        if (!$feedsub) {
+        if (!$feedsub || $feedsub->sub_state == '' || $feedsub->sub_state == 'inactive') {
+            // No active PuSH subscription, we can just leave it be.
             return true;
-        }
-        if ($feedsub->sub_state == 'active') {
+        } else {
+            // PuSH subscription is either active or in an indeterminate state.
+            // Send an unsubscribe.
             return $feedsub->unsubscribe();
-        } else if ($feedsub->sub_state == '' || $feedsub->sub_state == 'inactive' || $feedsub->sub_state == 'unsubscribe') {
-            return true;
-        } else if ($feedsub->sub_state == 'subscribe') {
-            throw new FeedSubException("Feed is awaiting subscription, can't unsub...");
         }
     }
 
diff --git a/plugins/OStatus/lib/discoveryhints.php b/plugins/OStatus/lib/discoveryhints.php
index 9102788e6f..80cfbbf15e 100644
--- a/plugins/OStatus/lib/discoveryhints.php
+++ b/plugins/OStatus/lib/discoveryhints.php
@@ -102,7 +102,7 @@ class DiscoveryHints {
         if (array_key_exists('url', $hcard)) {
             if (is_string($hcard['url'])) {
                 $hints['homepage'] = $hcard['url'];
-            } else if (is_array($hcard['url'])) {
+            } else if (is_array($hcard['url']) && !empty($hcard['url'])) {
                 // HACK get the last one; that's how our hcards look
                 $hints['homepage'] = $hcard['url'][count($hcard['url'])-1];
             }
@@ -231,7 +231,7 @@ class DiscoveryHints {
 
         // If it's got a scheme, use it
 
-        if ($parts['scheme'] != '') {
+        if (!empty($parts['scheme'])) {
             return $rel;
         }
 
diff --git a/plugins/OStatus/scripts/fixup-shadow.php b/plugins/OStatus/scripts/fixup-shadow.php
index 0171b77bc9..ec014c7878 100644
--- a/plugins/OStatus/scripts/fixup-shadow.php
+++ b/plugins/OStatus/scripts/fixup-shadow.php
@@ -50,7 +50,7 @@ $encGroup = str_replace($marker, '%', $encGroup);
 $sql = "SELECT * FROM ostatus_profile WHERE uri LIKE '%s' OR uri LIKE '%s'";
 $oprofile->query(sprintf($sql, $encProfile, $encGroup));
 
-echo "Found $oprofile->N bogus ostatus_profile entries:\n";
+echo "Found $oprofile->N bogus ostatus_profile entries for local users and groups:\n";
 
 while ($oprofile->fetch()) {
     echo "$oprofile->uri";
@@ -58,7 +58,7 @@ while ($oprofile->fetch()) {
     if ($dry) {
         echo " (unchanged)\n";
     } else {
-        echo " deleting...";
+        echo " removing bogus ostatus_profile entry...";
         $evil = clone($oprofile);
         $evil->delete();
         echo "  ok\n";