diff --git a/src/aphront/response/AphrontUnhandledExceptionResponse.php b/src/aphront/response/AphrontUnhandledExceptionResponse.php
--- a/src/aphront/response/AphrontUnhandledExceptionResponse.php
+++ b/src/aphront/response/AphrontUnhandledExceptionResponse.php
@@ -22,7 +22,13 @@
   }
 
   protected function getResponseTitle() {
-    return pht('Unhandled Exception');
+    $ex = $this->exception;
+
+    if ($ex instanceof AphrontUsageException) {
+      return $ex->getTitle();
+    } else {
+      return pht('Unhandled Exception');
+    }
   }
 
   protected function getResponseBodyClass() {