diff --git a/src/applications/tokens/feed/PhabricatorTokenGivenFeedStory.php b/src/applications/tokens/feed/PhabricatorTokenGivenFeedStory.php
index e1ec46e0de..3fd1daf195 100644
--- a/src/applications/tokens/feed/PhabricatorTokenGivenFeedStory.php
+++ b/src/applications/tokens/feed/PhabricatorTokenGivenFeedStory.php
@@ -35,7 +35,7 @@ final class PhabricatorTokenGivenFeedStory
 
   public function renderText() {
     // TODO: This is grotesque; the feed notification handler relies on it.
-    return strip_tags($this->renderView()->render());
+    return strip_tags(hsprintf('%s', $this->renderView()->render()));
   }
 
 }
diff --git a/src/applications/transactions/feed/PhabricatorApplicationTransactionFeedStory.php b/src/applications/transactions/feed/PhabricatorApplicationTransactionFeedStory.php
index 57190e00d0..5e48c6dfc4 100644
--- a/src/applications/transactions/feed/PhabricatorApplicationTransactionFeedStory.php
+++ b/src/applications/transactions/feed/PhabricatorApplicationTransactionFeedStory.php
@@ -57,7 +57,7 @@ class PhabricatorApplicationTransactionFeedStory
 
   public function renderText() {
     // TODO: This is grotesque; the feed notification handler relies on it.
-    return strip_tags($this->renderView()->render());
+    return strip_tags(hsprintf('%s', $this->renderView()->render()));
   }
 
 }