diff --git a/lib/ui/widgets/posts_list_widget.dart b/lib/ui/widgets/posts_list_widget.dart
index 8d7a86f..e06e129 100644
--- a/lib/ui/widgets/posts_list_widget.dart
+++ b/lib/ui/widgets/posts_list_widget.dart
@@ -52,6 +52,7 @@ class _PostsListWidgetState extends State<PostsListWidget> {
   GroupsList _groups;
   ScrollWatcher _scrollController;
   ErrorLevel _error = ErrorLevel.NONE;
+  bool _loading = false;
 
   set error(ErrorLevel err) => setState(() => _error = err);
 
@@ -68,11 +69,19 @@ class _PostsListWidgetState extends State<PostsListWidget> {
     _loadPostsList();
   }
 
-  void _loadError() =>
-      error = _list == null ? ErrorLevel.MAJOR : ErrorLevel.MINOR;
+  void _loadError() {
+    error = _list == null ? ErrorLevel.MAJOR : ErrorLevel.MINOR;
+    _loading = false;
+  }
 
   /// Load the list of posts
   Future<void> _loadPostsList({bool getOlder = false}) async {
+
+    if(_loading)
+      return;
+
+    _loading = true;
+
     final list = !getOlder
         ? await widget.getPostsList()
         : await widget.getOlder(_list.oldestID);
@@ -98,6 +107,8 @@ class _PostsListWidgetState extends State<PostsListWidget> {
         _groups.addAll(groups);
       }
     });
+
+    _loading = false;
   }
 
   Widget _buildErrorCard() {