diff --git a/icon.ico b/icon.ico
new file mode 100644
index 0000000..3b29c94
Binary files /dev/null and b/icon.ico differ
diff --git a/src/MercuryConverter.csproj b/src/MercuryConverter.csproj
index 17f0369..c92a7be 100644
--- a/src/MercuryConverter.csproj
+++ b/src/MercuryConverter.csproj
@@ -6,6 +6,7 @@
     <BuiltInComInteropSupport>true</BuiltInComInteropSupport>
     <ApplicationManifest>app.manifest</ApplicationManifest>
     <AvaloniaUseCompiledBindingsByDefault>false</AvaloniaUseCompiledBindingsByDefault>
+    <ApplicationIcon>../icon.ico</ApplicationIcon>
   </PropertyGroup>
 
   <ItemGroup>