diff --git a/src/lint/renderer/ArcanistConsoleLintRenderer.php b/src/lint/renderer/ArcanistConsoleLintRenderer.php
--- a/src/lint/renderer/ArcanistConsoleLintRenderer.php
+++ b/src/lint/renderer/ArcanistConsoleLintRenderer.php
@@ -112,6 +112,8 @@
     $message = $message->newTrimmedMessage();
 
     $original = $message->getOriginalText();
+    $original = phutil_string_cast($original);
+
     $replacement = $message->getReplacementText();
 
     $line = $message->getLine();