diff --git a/src/applications/transactions/controller/PhabricatorApplicationTransactionCommentHistoryController.php b/src/applications/transactions/controller/PhabricatorApplicationTransactionCommentHistoryController.php
index 40d34ca2bb..f30c89f926 100644
--- a/src/applications/transactions/controller/PhabricatorApplicationTransactionCommentHistoryController.php
+++ b/src/applications/transactions/controller/PhabricatorApplicationTransactionCommentHistoryController.php
@@ -1,86 +1,87 @@
 <?php
 
 final class PhabricatorApplicationTransactionCommentHistoryController
   extends PhabricatorApplicationTransactionController {
 
   private $phid;
 
   public function shouldAllowPublic() {
     return true;
   }
 
   public function willProcessRequest(array $data) {
     $this->phid = $data['phid'];
   }
 
   public function processRequest() {
     $request = $this->getRequest();
     $user = $request->getUser();
 
     $xaction = id(new PhabricatorObjectQuery())
       ->withPHIDs(array($this->phid))
       ->setViewer($user)
       ->executeOne();
 
     if (!$xaction) {
       return new Aphront404Response();
     }
 
     if (!$xaction->getComment()) {
       // You can't view history of a transaction with no comments.
       return new Aphront404Response();
     }
 
     if ($xaction->getComment()->getIsRemoved()) {
       // You can't view history of a transaction with a removed comment.
       return new Aphront400Response();
     }
 
     $comments = id(new PhabricatorApplicationTransactionCommentQuery())
       ->setViewer($user)
       ->setTemplate($xaction->getApplicationTransactionCommentObject())
       ->withTransactionPHIDs(array($xaction->getPHID()))
       ->execute();
 
     if (!$comments) {
       return new Aphront404Response();
     }
 
     $comments = msort($comments, 'getCommentVersion');
 
     $xactions = array();
     foreach ($comments as $comment) {
       $xactions[] = id(clone $xaction)
         ->makeEphemeral()
         ->setCommentVersion($comment->getCommentVersion())
         ->setContentSource($comment->getContentSource())
         ->setDateCreated($comment->getDateCreated())
         ->attachComment($comment);
     }
 
     $obj_phid = $xaction->getObjectPHID();
     $obj_handle = id(new PhabricatorHandleQuery())
       ->setViewer($user)
       ->withPHIDs(array($obj_phid))
       ->executeOne();
 
     $view = id(new PhabricatorApplicationTransactionView())
       ->setUser($user)
       ->setObjectPHID($obj_phid)
       ->setTransactions($xactions)
       ->setShowEditActions(false);
 
     $dialog = id(new AphrontDialogView())
       ->setUser($user)
       ->setWidth(AphrontDialogView::WIDTH_FULL)
+      ->setFlush(true)
       ->setTitle(pht('Comment History'));
 
     $dialog->appendChild($view);
 
     $dialog
       ->addCancelButton($obj_handle->getURI());
 
     return id(new AphrontDialogResponse())->setDialog($dialog);
   }
 
 }
diff --git a/src/applications/transactions/controller/PhabricatorApplicationTransactionDetailController.php b/src/applications/transactions/controller/PhabricatorApplicationTransactionDetailController.php
index 6b3a657470..eec7585b7e 100644
--- a/src/applications/transactions/controller/PhabricatorApplicationTransactionDetailController.php
+++ b/src/applications/transactions/controller/PhabricatorApplicationTransactionDetailController.php
@@ -1,37 +1,38 @@
 <?php
 
 final class PhabricatorApplicationTransactionDetailController
   extends PhabricatorApplicationTransactionController {
 
   private $phid;
 
   public function willProcessRequest(array $data) {
     $this->phid = $data['phid'];
   }
 
   public function processRequest() {
     $request = $this->getRequest();
     $viewer = $request->getUser();
 
     $xaction = id(new PhabricatorObjectQuery())
       ->withPHIDs(array($this->phid))
       ->setViewer($viewer)
       ->executeOne();
     if (!$xaction) {
       return new Aphront404Response();
     }
 
     $details = $xaction->renderChangeDetails($viewer);
 
     $cancel_uri = $this->guessCancelURI($viewer, $xaction);
     $dialog = id(new AphrontDialogView())
       ->setUser($viewer)
       ->setTitle(pht('Change Details'))
       ->setWidth(AphrontDialogView::WIDTH_FULL)
+      ->setFlush(true)
       ->appendChild($details)
       ->addCancelButton($cancel_uri);
 
     return id(new AphrontDialogResponse())->setDialog($dialog);
   }
 
 }