diff --git a/pandora/document/views.py b/pandora/document/views.py
index 9916b56d..19095465 100644
--- a/pandora/document/views.py
+++ b/pandora/document/views.py
@@ -169,7 +169,7 @@ def findDocuments(request):
             Sum('size')
         )
         response['data']['items'] = qs.count()
-        response['data']['size'] = r['size__sum']
+        response['data']['size'] = r['size__sum'] or 0
     return render_to_json_response(response)
 actions.register(findDocuments)
 
diff --git a/static/js/documentsPanel.js b/static/js/documentsPanel.js
index 9a44ea70..d1fe572f 100644
--- a/static/js/documentsPanel.js
+++ b/static/js/documentsPanel.js
@@ -405,7 +405,7 @@ pandora.ui.documentsPanel = function(options) {
     }
 
     function editDocuments() {
-        pandora.UI.set('documentSelection.', $list.options('selected'));
+        pandora.UI.set('documentsSelection.', $list.options('selected'));
         pandora.$ui.documentsDialog = pandora.ui.documentsDialog().open();
     }
 
@@ -573,7 +573,7 @@ pandora.ui.documentsPanel = function(options) {
                 conditions: isItemView ? [{ key: 'item', value: ui.item, operator: '==' }] : [],
                 operator: '&'
             },
-            selected: ui.documentsSelection[isItemView ? ui.item : ''],
+            selected: ui.documentsSelection[isItemView ? ui.item : ''] || [],
             sort: ui.documentsSort.concat([
                 {key: 'extension', operator: '+'},
                 {key: 'name', operator: '+'}