diff --git a/search2/indexing/extractors/OOPDFTextExtractor.inc.php b/search2/indexing/extractors/OOPDFTextExtractor.inc.php
index 442601f..1ce3ef3 100755
--- a/search2/indexing/extractors/OOPDFTextExtractor.inc.php
+++ b/search2/indexing/extractors/OOPDFTextExtractor.inc.php
@@ -19,7 +19,7 @@ class OOPDFTextExtractor extends CompositeExtractor
 	public function getDisplayName()
 	{
 		// we provide this so diagnose doesn't fail
-		throw new Exception('This should be overriden');
+		throw new Exception(_kt('This should be overriden'));
 	}
 
 }