diff --git a/static/js/previewDialog.js b/static/js/previewDialog.js
index 1762af10b..7dcd8e6df 100644
--- a/static/js/previewDialog.js
+++ b/static/js/previewDialog.js
@@ -74,7 +74,7 @@ pandora.ui.previewDialog = function() {
                     : item.posterRatio,
                 size = getSize(posterRatio),
                 title = item.title + (
-                    item.director ? ' (' + item.director.join(', ') + ')' : ''
+                    item.director.length ? ' (' + item.director.join(', ') + ')' : ''
                 ) + (
                     item.year ? ' ' + item.year : ''
                 );