diff --git a/CHANGELIST.md b/CHANGELIST.md
index 7c1c6aa0..4b3030d6 100644
--- a/CHANGELIST.md
+++ b/CHANGELIST.md
@@ -56,6 +56,7 @@
 - Bytes, not characters
 - Add Portuguese translation (Kokasgui)
 - Wire up Portuguese translation, fix Redumper enum
+- Add Portuguese to UI code
 
 ### 3.6.0 (2025-11-28)
 
diff --git a/MPF.UI/Windows/MainWindow.xaml b/MPF.UI/Windows/MainWindow.xaml
index d0bfc062..decb2a62 100644
--- a/MPF.UI/Windows/MainWindow.xaml
+++ b/MPF.UI/Windows/MainWindow.xaml
@@ -151,6 +151,10 @@
                                     Background="{DynamicResource {x:Static SystemColors.WindowBrushKey}}"
                                     Foreground="{DynamicResource {x:Static SystemColors.WindowTextBrushKey}}"
                                     Template="{DynamicResource CustomMenuItemTemplate}" />
+                            <MenuItem x:Name="PortugueseMenuItem" Header="Português" HorizontalAlignment="Left" Width="120" IsCheckable="True"
+                                    Background="{DynamicResource {x:Static SystemColors.WindowBrushKey}}"
+                                    Foreground="{DynamicResource {x:Static SystemColors.WindowTextBrushKey}}"
+                                    Template="{DynamicResource CustomMenuItemTemplate}" />
                             <MenuItem x:Name="RussianMenuItem" Header="Русский" HorizontalAlignment="Left" Width="120" IsCheckable="True"
                                     Background="{DynamicResource {x:Static SystemColors.WindowBrushKey}}"
                                     Foreground="{DynamicResource {x:Static SystemColors.WindowTextBrushKey}}"
diff --git a/MPF.UI/Windows/MainWindow.xaml.cs b/MPF.UI/Windows/MainWindow.xaml.cs
index e3a1581b..6ebbcd69 100644
--- a/MPF.UI/Windows/MainWindow.xaml.cs
+++ b/MPF.UI/Windows/MainWindow.xaml.cs
@@ -47,6 +47,7 @@ namespace MPF.UI.Windows
         private MenuItem? JapaneseMenuItem => ItemHelper.FindChild<MenuItem>(this, "JapaneseMenuItem");
         private MenuItem? KoreanMenuItem => ItemHelper.FindChild<MenuItem>(this, "KoreanMenuItem");
         private MenuItem? PolishMenuItem => ItemHelper.FindChild<MenuItem>(this, "PolishMenuItem");
+        private MenuItem? PortugueseMenuItem => ItemHelper.FindChild<MenuItem>(this, "PortugueseMenuItem");
         private MenuItem? RussianMenuItem => ItemHelper.FindChild<MenuItem>(this, "RussianMenuItem");
         private MenuItem? SpanishMenuItem => ItemHelper.FindChild<MenuItem>(this, "SpanishMenuItem");
         private MenuItem? SwedishMenuItem => ItemHelper.FindChild<MenuItem>(this, "SwedishMenuItem");
@@ -292,6 +293,7 @@ namespace MPF.UI.Windows
             JapaneseMenuItem!.Click += LanguageMenuItemClick;
             KoreanMenuItem!.Click += LanguageMenuItemClick;
             PolishMenuItem!.Click += LanguageMenuItemClick;
+            PortugueseMenuItem!.Click += LanguageMenuItemClick;
             RussianMenuItem!.Click += LanguageMenuItemClick;
             SpanishMenuItem!.Click += LanguageMenuItemClick;
             SwedishMenuItem!.Click += LanguageMenuItemClick;