diff --git a/ui (gen4)/imagegrid/tags.js b/ui (gen4)/imagegrid/tags.js
index 322a09a5..ff57a3c4 100755
--- a/ui (gen4)/imagegrid/tags.js	
+++ b/ui (gen4)/imagegrid/tags.js	
@@ -80,6 +80,11 @@ var TagsPrototype = {
 		tagRemovedChars: '\\s-_',
 	},
 
+	// data...
+	__persistent_tags: [],
+	__index: {},
+
+
 	// Utils...
 	//
 	// proxy to Tags.normalize(..)