diff --git a/scripts/arcanist.php b/scripts/arcanist.php
--- a/scripts/arcanist.php
+++ b/scripts/arcanist.php
@@ -390,7 +390,6 @@
 
 } catch (ArcanistNoEffectException $ex) {
   echo $ex->getMessage()."\n";
-
 } catch (Exception $ex) {
   $is_usage = ($ex instanceof ArcanistUsageException);
   if ($is_usage) {
@@ -413,7 +412,7 @@
     fwrite(STDERR, phutil_console_format("**%s**\n", pht('Exception')));
 
     while ($ex) {
-      fwrite(STDERR, $ex->getMessage()."\n");
+      fwrite(STDERR, $ex."\n");
 
       if ($ex instanceof PhutilProxyException) {
         $ex = $ex->getPreviousException();