diff --git a/src/applications/conpherence/controller/ConpherenceListController.php b/src/applications/conpherence/controller/ConpherenceListController.php
index fc73d98341..d993a1bd5e 100644
--- a/src/applications/conpherence/controller/ConpherenceListController.php
+++ b/src/applications/conpherence/controller/ConpherenceListController.php
@@ -1,179 +1,180 @@
 <?php
 
 final class ConpherenceListController extends ConpherenceController {
 
   const SELECTED_MODE = 'selected';
   const UNSELECTED_MODE = 'unselected';
 
   /**
    * Two main modes of operation...
    *
    * 1 - /conpherence/ - UNSELECTED_MODE
    * 2 - /conpherence/<id>/ - SELECTED_MODE
    *
    * UNSELECTED_MODE is not an Ajax request while the other two are Ajax
    * requests.
    */
   private function determineMode() {
     $request = $this->getRequest();
 
     $mode = self::UNSELECTED_MODE;
     if ($request->isAjax()) {
       $mode = self::SELECTED_MODE;
     }
 
     return $mode;
   }
 
   public function shouldAllowPublic() {
     return true;
   }
 
   public function handleRequest(AphrontRequest $request) {
     $user = $request->getUser();
     $title = pht('Conpherence');
     $conpherence = null;
 
     $limit = ConpherenceThreadListView::SEE_ALL_LIMIT + 1;
     $all_participation = array();
 
     $mode = $this->determineMode();
     switch ($mode) {
       case self::SELECTED_MODE:
         $conpherence_id = $request->getURIData('id');
         $conpherence = id(new ConpherenceThreadQuery())
           ->setViewer($user)
           ->withIDs(array($conpherence_id))
           ->executeOne();
         if (!$conpherence) {
           return new Aphront404Response();
         }
         if ($conpherence->getTitle()) {
           $title = $conpherence->getTitle();
         }
         $cursor = $conpherence->getParticipantIfExists($user->getPHID());
         $data = $this->loadDefaultParticipation($limit);
         $all_participation = $data['all_participation'];
         if (!$cursor) {
           $menu_participation = id(new ConpherenceParticipant())
             ->makeEphemeral()
             ->setConpherencePHID($conpherence->getPHID())
             ->setParticipantPHID($user->getPHID());
         } else {
           $menu_participation = $cursor;
         }
 
         // check to see if the loaded conpherence is going to show up
         // within the SEE_ALL_LIMIT amount of conpherences.
         // If its not there, then we just pre-pend it as the "first"
         // conpherence so folks have a navigation item in the menu.
         $count = 0;
         $found = false;
         foreach ($all_participation as $phid => $curr_participation) {
           if ($conpherence->getPHID() == $phid) {
             $found = true;
             break;
           }
           $count++;
           if ($count > ConpherenceThreadListView::SEE_ALL_LIMIT) {
             break;
           }
         }
         if (!$found) {
           $all_participation =
             array($conpherence->getPHID() => $menu_participation) +
             $all_participation;
         }
         break;
       case self::UNSELECTED_MODE:
       default:
         $data = $this->loadDefaultParticipation($limit);
         $all_participation = $data['all_participation'];
-
-        $conpherence_id = head($all_participation)->getConpherencePHID();
-        $conpherence = id(new ConpherenceThreadQuery())
-          ->setViewer($user)
-          ->withPHIDs(array($conpherence_id))
-          ->needProfileImage(true)
-          ->executeOne();
+        if ($all_participation) {
+          $conpherence_id = head($all_participation)->getConpherencePHID();
+          $conpherence = id(new ConpherenceThreadQuery())
+            ->setViewer($user)
+            ->withPHIDs(array($conpherence_id))
+            ->needProfileImage(true)
+            ->executeOne();
+        }
         // If $conpherence is null, NUX state will render
         break;
     }
 
     $threads = $this->loadConpherenceThreadData($all_participation);
 
     $thread_view = id(new ConpherenceThreadListView())
       ->setUser($user)
       ->setBaseURI($this->getApplicationURI())
       ->setThreads($threads);
 
     switch ($mode) {
       case self::SELECTED_MODE:
         $response = id(new AphrontAjaxResponse())->setContent($thread_view);
         break;
       case self::UNSELECTED_MODE:
       default:
         $layout = id(new ConpherenceLayoutView())
           ->setUser($user)
           ->setBaseURI($this->getApplicationURI())
           ->setThreadView($thread_view)
           ->setRole('list');
         if ($conpherence) {
           $layout->setThread($conpherence);
         } else {
           // make a dummy conpherence so we can render something
           $conpherence = ConpherenceThread::initializeNewRoom($user);
           $conpherence->attachHandles(array());
           $conpherence->attachTransactions(array());
           $conpherence->makeEphemeral();
         }
         $policy_objects = id(new PhabricatorPolicyQuery())
           ->setViewer($user)
           ->setObject($conpherence)
           ->execute();
         $layout->setHeader($this->buildHeaderPaneContent(
             $conpherence,
             $policy_objects));
         $response = $this->newPage()
           ->setTitle($title)
           ->appendChild($layout);
         break;
     }
 
     return $response;
 
   }
 
   private function loadDefaultParticipation($limit) {
     $viewer = $this->getRequest()->getUser();
 
     $all_participation = id(new ConpherenceParticipantQuery())
       ->withParticipantPHIDs(array($viewer->getPHID()))
       ->setLimit($limit)
       ->execute();
     $all_participation = mpull($all_participation, null, 'getConpherencePHID');
 
     return array(
       'all_participation' => $all_participation,
     );
   }
 
   private function loadConpherenceThreadData($participation) {
     $user = $this->getRequest()->getUser();
     $conpherence_phids = array_keys($participation);
     $conpherences = array();
     if ($conpherence_phids) {
       $conpherences = id(new ConpherenceThreadQuery())
         ->setViewer($user)
         ->withPHIDs($conpherence_phids)
         ->needProfileImage(true)
         ->execute();
 
       // this will re-sort by participation data
       $conpherences = array_select_keys($conpherences, $conpherence_phids);
     }
 
     return $conpherences;
   }
 
 }