diff --git a/src/RazorSdk/Targets/Microsoft.NET.Sdk.Razor.StaticWebAssets.targets b/src/RazorSdk/Targets/Microsoft.NET.Sdk.Razor.StaticWebAssets.targets
index 7d7be8a6bc2b..3d6fbd352b20 100644
--- a/src/RazorSdk/Targets/Microsoft.NET.Sdk.Razor.StaticWebAssets.targets
+++ b/src/RazorSdk/Targets/Microsoft.NET.Sdk.Razor.StaticWebAssets.targets
@@ -273,7 +273,7 @@ Copyright (c) .NET Foundation. All rights reserved.
 
   <Target Name="ResolveStaticWebAssetsConfiguration">
     <PropertyGroup>
-      <_StaticWebAssetsManifestBase>$(IntermediateOutputPath)</_StaticWebAssetsManifestBase>
+      <_StaticWebAssetsManifestBase Condition="'$(_StaticWebAssetsManifestBase)' == ''">$(IntermediateOutputPath)</_StaticWebAssetsManifestBase>
       <StaticWebAssetBasePath Condition="'$(StaticWebAssetBasePath)' == ''">_content/$(PackageId)</StaticWebAssetBasePath>
       <StaticWebAssetProjectMode Condition="'$(StaticWebAssetProjectMode)' == ''">Default</StaticWebAssetProjectMode>
       <StaticWebAssetBuildManifestPath>$(_StaticWebAssetsManifestBase)staticwebassets.build.json</StaticWebAssetBuildManifestPath>