diff --git a/PHPCI/Builder.php b/PHPCI/Builder.php
index 701ee463..0f6877c5 100644
--- a/PHPCI/Builder.php
+++ b/PHPCI/Builder.php
@@ -431,7 +431,7 @@ class Builder implements LoggerAwareInterface
         }
 
         if (!class_exists($class)) {
-            $this->logFailure('Plugin does not exist: ' . $plugin, $ex);
+            $this->logFailure('Plugin does not exist: ' . $plugin);
             return false;
         }