diff --git a/HandBrakeCluster/Rips/SourceLister.class.php b/HandBrakeCluster/Rips/SourceLister.class.php
index a4b48a9..1d899cd 100644
--- a/HandBrakeCluster/Rips/SourceLister.class.php
+++ b/HandBrakeCluster/Rips/SourceLister.class.php
@@ -13,7 +13,7 @@ class HandBrakeCluster_Rips_SourceLister {
     
     public function scan() {
         if (!is_dir($this->base_directory)) {
-            throw new HandBrakeCluster_Exception_InvalidSourceDir($this->base_directory);
+            throw new HandBrakeCluster_Exception_InvalidSourceDirectory($this->base_directory);
         }
         
         // Define a queue of directories to scan, starting with the base directory,