diff --git a/src/Smdn.TPSmartHomeDevices.MacAddressEndPoint/Smdn.TPSmartHomeDevices.MacAddressEndPoint.csproj b/src/Smdn.TPSmartHomeDevices.MacAddressEndPoint/Smdn.TPSmartHomeDevices.MacAddressEndPoint.csproj
index 6a5f236..8b8a49c 100644
--- a/src/Smdn.TPSmartHomeDevices.MacAddressEndPoint/Smdn.TPSmartHomeDevices.MacAddressEndPoint.csproj
+++ b/src/Smdn.TPSmartHomeDevices.MacAddressEndPoint/Smdn.TPSmartHomeDevices.MacAddressEndPoint.csproj
@@ -11,7 +11,7 @@ SPDX-License-Identifier: MIT
     <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0030 -->
     <Nullable>enable</Nullable>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
-    <EnableTrimAnalyzer>true</EnableTrimAnalyzer>
+    <EnableTrimAnalyzer Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net6.0'))">true</EnableTrimAnalyzer>
   </PropertyGroup>
 
   <PropertyGroup>