diff --git a/chrome/chromeFiles/content/scholar/xpcom/data_access.js b/chrome/chromeFiles/content/scholar/xpcom/data_access.js
index 239ae09aac..42a5a29ce1 100644
--- a/chrome/chromeFiles/content/scholar/xpcom/data_access.js
+++ b/chrome/chromeFiles/content/scholar/xpcom/data_access.js
@@ -48,6 +48,7 @@ Scholar.Item.prototype.isPrimaryField = function(field){
 	if (!Scholar.Item.primaryFields){
 		Scholar.Item.primaryFields = Scholar.DB.getColumnHash('items');
 		Scholar.Item.primaryFields['firstCreator'] = true;
+		Scholar.Item.primaryFields['numChildren'] = true;
 		Scholar.Item.primaryFields['numNotes'] = true;
 		Scholar.Item.primaryFields['numAttachments'] = true;
 	}