diff --git a/build/NuSpecs/WindowsAppSDK-Nuget-Native.WinRt.props b/build/NuSpecs/WindowsAppSDK-Nuget-Native.WinRt.props
index 19dc54e2..c8c5f4f7 100644
--- a/build/NuSpecs/WindowsAppSDK-Nuget-Native.WinRt.props
+++ b/build/NuSpecs/WindowsAppSDK-Nuget-Native.WinRt.props
@@ -31,7 +31,7 @@
     </Reference>
     <Reference Include="Microsoft.Windows.ApplicationModel.Background.UniversalBGTask.winmd">
       <HintPath>$(_FoundationMetadataFolder)\Microsoft.Windows.ApplicationModel.Background.UniversalBGTask.winmd</HintPath>
-      <Implementation Condition="'$(WindowsAppSDKBackgroundTask)' == 'true'">$(MSBuildThisFileDirectory)..\..\runtimes\win-$(_WindowsAppSDKFoundationPlatform)\native\Microsoft.Windows.ApplicationModel.UniversalBGTask.dll</Implementation>
+      <Implementation Condition="'$(WindowsAppSDKBackgroundTask)' == 'true' AND '$(AppxPackage)' == 'true'">$(MSBuildThisFileDirectory)..\..\runtimes\win-$(_WindowsAppSDKFoundationPlatform)\native\Microsoft.Windows.ApplicationModel.UniversalBGTask.dll</Implementation>
       <IsWinMDFile>true</IsWinMDFile>
     </Reference>
     <Reference Include="Microsoft.Windows.AppLifecycle.winmd">
diff --git a/build/NuSpecs/WindowsAppSDK-Nuget-Native.targets b/build/NuSpecs/WindowsAppSDK-Nuget-Native.targets
index e959cfda..dc7d4133 100644
--- a/build/NuSpecs/WindowsAppSDK-Nuget-Native.targets
+++ b/build/NuSpecs/WindowsAppSDK-Nuget-Native.targets
@@ -38,9 +38,9 @@
 
 	<ItemGroup>
 		<Reference Include="$(_FoundationMetadataFolder)\Microsoft.Windows.ApplicationModel.Background.UniversalBGTask.winmd">
-			<Private Condition="'$(WindowsAppSDKBackgroundTask)' == 'true'">true</Private>
-			<Private Condition="'$(WindowsAppSDKBackgroundTask)' != 'true'">false</Private>
-			<Implementation Condition="'$(WindowsAppSDKBackgroundTask)' == 'true'">$(MSBuildThisFileDirectory)..\..\runtimes\win-$(Platform)\native\Microsoft.Windows.ApplicationModel.Background.UniversalBGTask.dll</Implementation>
+			<Private Condition="'$(WindowsAppSDKBackgroundTask)' == 'true' AND '$(AppxPackage)' == 'true'">true</Private>
+			<Private Condition="'$(WindowsAppSDKBackgroundTask)' != 'true' OR '$(AppxPackage)' != 'true'">false</Private>
+			<Implementation Condition="'$(WindowsAppSDKBackgroundTask)' == 'true' AND '$(AppxPackage)' == 'true'">$(MSBuildThisFileDirectory)..\..\runtimes\win-$(Platform)\native\Microsoft.Windows.ApplicationModel.Background.UniversalBGTask.dll</Implementation>
 		</Reference>
 	</ItemGroup>