diff --git a/Filtration.ObjectModel/BlockItemTypes/RarityBlockItem.cs b/Filtration.ObjectModel/BlockItemTypes/RarityBlockItem.cs
index bb0b4bb..284e5a6 100644
--- a/Filtration.ObjectModel/BlockItemTypes/RarityBlockItem.cs
+++ b/Filtration.ObjectModel/BlockItemTypes/RarityBlockItem.cs
@@ -15,7 +15,12 @@ namespace Filtration.ObjectModel.BlockItemTypes
             : base(predicateOperator, predicateOperand)
         {
         }
-        
+
+        public RarityBlockItem(FilterPredicateOperator predicateOperator, ItemRarity predicateOperand)
+    : base(predicateOperator, (int)predicateOperand)
+        {
+        }
+
         public override string PrefixText => "Rarity";
         public override string OutputText => PrefixText + " " + FilterPredicate.PredicateOperator
             .GetAttributeDescription() + " " + ((ItemRarity) FilterPredicate.PredicateOperand).GetAttributeDescription();
diff --git a/Filtration/Views/ItemFilterBlockView.xaml b/Filtration/Views/ItemFilterBlockView.xaml
index c68846f..954384b 100644
--- a/Filtration/Views/ItemFilterBlockView.xaml
+++ b/Filtration/Views/ItemFilterBlockView.xaml
@@ -264,7 +264,7 @@
                                 <ItemsControl.ItemTemplate>
                                     <DataTemplate>
                                         <TextBlock Margin="0,0,3,0">
-                                            <Hyperlink Command="{Binding ElementName=TopLevelGrid, Path=DataContext.AddBlockCommand}" CommandParameter="{Binding}">
+                                            <Hyperlink Command="{Binding ElementName=TopLevelGrid, Path=DataContext.AddFilterBlockItemCommand}" CommandParameter="{Binding}">
                                                 <TextBlock>+</TextBlock><TextBlock Text="{Binding Path=., Converter={StaticResource BlockItemTypeToStringConverter}}" />
                                             </Hyperlink>
                                         </TextBlock>