diff --git a/eng/targets/Npm.Common.targets b/eng/targets/Npm.Common.targets
index 97f7c9cf4dca..b056b418ad37 100644
--- a/eng/targets/Npm.Common.targets
+++ b/eng/targets/Npm.Common.targets
@@ -8,7 +8,7 @@
     <PackageJson>$(MSBuildProjectDirectory)\package.json</PackageJson>
     <BaseIntermediateOutputPath Condition="'$(BaseIntermediateOutputPath)' == ''">$(MSBuildProjectDirectory)\obj\</BaseIntermediateOutputPath>
     <IntermediateOutputPath>$([MSBuild]::NormalizeDirectory('$(BaseIntermediateOutputPath)'))$(Configuration)\</IntermediateOutputPath>
-    <InstallArgs>--frozen-lockfile</InstallArgs>
+    <InstallArgs>$(InstallArgs) --frozen-lockfile</InstallArgs>
     <_BackupPackageJson>$(IntermediateOutputPath)$(MSBuildProjectName).package.json.bak</_BackupPackageJson>
     <BuildDependsOn>
       PrepareForBuild;
diff --git a/src/Components/Web.JS/Microsoft.AspNetCore.Components.Web.JS.npmproj b/src/Components/Web.JS/Microsoft.AspNetCore.Components.Web.JS.npmproj
index 9dc68d047a65..5a156a68622a 100644
--- a/src/Components/Web.JS/Microsoft.AspNetCore.Components.Web.JS.npmproj
+++ b/src/Components/Web.JS/Microsoft.AspNetCore.Components.Web.JS.npmproj
@@ -3,6 +3,7 @@
 
   <PropertyGroup>
     <IsPackable>false</IsPackable>
+    <InstallArgs>--check-files</InstallArgs>
   </PropertyGroup>
 
   <ItemGroup>