diff --git a/assets/javascripts/app.js b/assets/javascripts/app.js
index bc16885..7b8f129 100644
--- a/assets/javascripts/app.js
+++ b/assets/javascripts/app.js
@@ -126,11 +126,11 @@ var vm = new Vue({
   },
   data: function() {
     return {
-      'filterSelected': null,
+      'filterSelected': undefined,
       'folders': [],
       'feeds': [],
-      'feedSelected': null,
-      'feedListWidth': null,
+      'feedSelected': undefined,
+      'feedListWidth': undefined,
       'feedNewChoice': [],
       'feedNewChoiceSelected': '',
       'items': [],
@@ -142,8 +142,8 @@ var vm = new Vue({
       'itemSelectedDetails': {},
       'itemSelectedReadability': '',
       'itemSearch': '',
-      'itemSortNewestFirst': null,
-      'itemListWidth': null,
+      'itemSortNewestFirst': undefined,
+      'itemListWidth': undefined,
 
       'filteredFeedStats': {},
       'filteredFolderStats': {},
@@ -229,13 +229,13 @@ var vm = new Vue({
       }, 500),
     },
     'filterSelected': function(newVal, oldVal) {
-      if (oldVal === null) return  // do nothing, initial setup
+      if (oldVal === undefined) return  // do nothing, initial setup
       api.settings.update({filter: newVal}).then(this.refreshItems.bind(this))
       this.itemSelected = null
       this.computeStats()
     },
     'feedSelected': function(newVal, oldVal) {
-      if (oldVal === null) return  // do nothing, initial setup
+      if (oldVal === undefined) return  // do nothing, initial setup
       api.settings.update({feed: newVal}).then(this.refreshItems.bind(this))
       this.itemSelected = null
       if (this.$refs.itemlist) this.$refs.itemlist.scrollTop = 0
@@ -259,15 +259,15 @@ var vm = new Vue({
       this.refreshItems()
     }, 500),
     'itemSortNewestFirst': function(newVal, oldVal) {
-      if (oldVal === null) return
+      if (oldVal === undefined) return  // do nothing, initial setup
       api.settings.update({sort_newest_first: newVal}).then(this.refreshItems.bind(this))
     },
     'feedListWidth': debounce(function(newVal, oldVal) {
-      if (oldVal === null) return
+      if (oldVal === undefined) return  // do nothing, initial setup
       api.settings.update({feed_list_width: newVal})
     }, 1000),
     'itemListWidth': debounce(function(newVal, oldVal) {
-      if (oldVal === null) return
+      if (oldVal === undefined) return  // do nothing, initial setup
       api.settings.update({item_list_width: newVal})
     }, 1000),
   },
@@ -318,6 +318,11 @@ var vm = new Vue({
         })
     },
     refreshItems: function() {
+      if (this.feedSelected === null) {
+        vm.items = []
+        vm.itemsPage = {'cur': 1, 'num': 1}
+        return
+      }
       var query = this.getItemsQuery()
       this.loading.items = true
       return api.items.list(query).then(function(data) {