diff --git a/VdLabel/MainWindow.xaml b/VdLabel/MainWindow.xaml
index 75858a8..c587730 100644
--- a/VdLabel/MainWindow.xaml
+++ b/VdLabel/MainWindow.xaml
@@ -35,7 +35,11 @@
         <ui:TitleBar
             Title="VdLabel"
             DockPanel.Dock="Top"
-            ShowMinimize="False" />
+            ShowMinimize="False">
+            <ui:TitleBar.Icon>
+                <ui:ImageIcon Source="/app.ico" />
+            </ui:TitleBar.Icon>
+        </ui:TitleBar>
         <tray:NotifyIcon>
             <tray:NotifyIcon.Menu>
                 <ContextMenu>
diff --git a/VdLabel/VdLabel.csproj b/VdLabel/VdLabel.csproj
index 7fad79a..9a5b1d9 100644
--- a/VdLabel/VdLabel.csproj
+++ b/VdLabel/VdLabel.csproj
@@ -8,13 +8,9 @@
     <UseWPF>true</UseWPF>
     <Company>StudioFreesia</Company>
     <EnableDefaultApplicationDefinition>false</EnableDefaultApplicationDefinition>
+    <ApplicationIcon>app.ico</ApplicationIcon>
   </PropertyGroup>
 
-  <ItemGroup>
-    <None Remove="App.xaml" />
-    <None Remove="DefaultStyles.xaml" />
-  </ItemGroup>
-
   <ItemGroup>
     <PackageReference Include="Kamishibai.Hosting" Version="2.6.0" />
     <PackageReference Include="PInvoke.User32" Version="0.7.124" />
@@ -29,4 +25,8 @@
     </PackageReference>
   </ItemGroup>
 
+  <ItemGroup>
+    <Resource Include="app.ico" />
+  </ItemGroup>
+
 </Project>
diff --git a/VdLabel/app.ico b/VdLabel/app.ico
new file mode 100644
index 0000000..10c9127
Binary files /dev/null and b/VdLabel/app.ico differ