diff --git a/src/Microsoft.CodeAnalysis.Razor.Workspaces/Microsoft.CodeAnalysis.Razor.Workspaces.csproj b/src/Microsoft.CodeAnalysis.Razor.Workspaces/Microsoft.CodeAnalysis.Razor.Workspaces.csproj
index 0738c692a..50fae2bda 100644
--- a/src/Microsoft.CodeAnalysis.Razor.Workspaces/Microsoft.CodeAnalysis.Razor.Workspaces.csproj
+++ b/src/Microsoft.CodeAnalysis.Razor.Workspaces/Microsoft.CodeAnalysis.Razor.Workspaces.csproj
@@ -6,7 +6,7 @@
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PackageTags>aspnetcore;cshtml;razor</PackageTags>
-    <PackageTargetFallback>$(PackageTargetFallback);portable-net45+win8+wp8+wpa81;</PackageTargetFallback>
+    <AssetTargetFallback>$(AssetTargetFallback);portable-net45+win8+wp8+wpa81;</AssetTargetFallback>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.CodeAnalysis.Workspaces.Common" Version="$(RoslynVersion)" />
diff --git a/src/Microsoft.CodeAnalysis.Razor/Microsoft.CodeAnalysis.Razor.csproj b/src/Microsoft.CodeAnalysis.Razor/Microsoft.CodeAnalysis.Razor.csproj
index c261d4233..e18de9896 100644
--- a/src/Microsoft.CodeAnalysis.Razor/Microsoft.CodeAnalysis.Razor.csproj
+++ b/src/Microsoft.CodeAnalysis.Razor/Microsoft.CodeAnalysis.Razor.csproj
@@ -6,7 +6,7 @@
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PackageTags>aspnetcore;cshtml;razor</PackageTags>
-    <PackageTargetFallback>$(PackageTargetFallback);portable-net45+win8+wp8+wpa81;</PackageTargetFallback>
+    <AssetTargetFallback>$(AssetTargetFallback);portable-net45+win8+wp8+wpa81;</AssetTargetFallback>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.CodeAnalysis.Common" Version="$(RoslynVersion)" />
diff --git a/src/Microsoft.CodeAnalysis.Remote.Razor/Microsoft.CodeAnalysis.Remote.Razor.csproj b/src/Microsoft.CodeAnalysis.Remote.Razor/Microsoft.CodeAnalysis.Remote.Razor.csproj
index 778c7388c..fb6e66231 100644
--- a/src/Microsoft.CodeAnalysis.Remote.Razor/Microsoft.CodeAnalysis.Remote.Razor.csproj
+++ b/src/Microsoft.CodeAnalysis.Remote.Razor/Microsoft.CodeAnalysis.Remote.Razor.csproj
@@ -7,7 +7,7 @@
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PackageTags>aspnetcore;cshtml;razor</PackageTags>
     <RootNamespace>Microsoft.CodeAnalysis.Remote.Razor</RootNamespace>
-    <PackageTargetFallback>$(PackageTargetFallback);portable-net45+win8+wp8+wpa81;</PackageTargetFallback>
+    <AssetTargetFallback>$(AssetTargetFallback);portable-net45+win8+wp8+wpa81;</AssetTargetFallback>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="..\Microsoft.VisualStudio.LanguageServices.Razor\RazorDiagnosticJsonConverter.cs" />
diff --git a/src/Microsoft.VisualStudio.LanguageServices.Razor/Microsoft.VisualStudio.LanguageServices.Razor.csproj b/src/Microsoft.VisualStudio.LanguageServices.Razor/Microsoft.VisualStudio.LanguageServices.Razor.csproj
index 96ba6e56f..ca9ed44fb 100644
--- a/src/Microsoft.VisualStudio.LanguageServices.Razor/Microsoft.VisualStudio.LanguageServices.Razor.csproj
+++ b/src/Microsoft.VisualStudio.LanguageServices.Razor/Microsoft.VisualStudio.LanguageServices.Razor.csproj
@@ -6,12 +6,12 @@
     <TargetFrameworks>net46</TargetFrameworks>
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
-    <PackageTargetFallback>$(PackageTargetFallback);portable-net45+win8+wp8+wpa81;</PackageTargetFallback>
+    <AssetTargetFallback>$(AssetTargetFallback);portable-net45+win8+wp8+wpa81;</AssetTargetFallback>
     <RootNamespace>Microsoft.VisualStudio.LanguageServices.Razor</RootNamespace>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <Description>Razor is a markup syntax for adding server-side logic to web pages. This package contains the Razor design-time infrastructure.</Description>
     <PackageTags>aspnetcore;cshtml;razor</PackageTags>
-    <PackageTargetFallback>$(PackageTargetFallback);portable-net45+win8+wp8+wpa81;</PackageTargetFallback>
+    <AssetTargetFallback>$(AssetTargetFallback);portable-net45+win8+wp8+wpa81;</AssetTargetFallback>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)' == 'Debug'">
diff --git a/test/Microsoft.CodeAnalysis.Razor.Test/Microsoft.CodeAnalysis.Razor.Test.csproj b/test/Microsoft.CodeAnalysis.Razor.Test/Microsoft.CodeAnalysis.Razor.Test.csproj
index 90a05dde3..b5c169e7d 100644
--- a/test/Microsoft.CodeAnalysis.Razor.Test/Microsoft.CodeAnalysis.Razor.Test.csproj
+++ b/test/Microsoft.CodeAnalysis.Razor.Test/Microsoft.CodeAnalysis.Razor.Test.csproj
@@ -10,7 +10,7 @@
   </PropertyGroup>
 
   <PropertyGroup Condition=" '$(TargetFramework)' == 'netcoreapp2.0' ">
-    <PackageTargetFallback>$(PackageTargetFallback);portable-net45+win8+wp8+wpa81;</PackageTargetFallback>
+    <AssetTargetFallback>$(AssetTargetFallback);portable-net45+win8+wp8+wpa81;</AssetTargetFallback>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/test/Microsoft.VisualStudio.LanguageServices.Razor.Test/Microsoft.VisualStudio.LanguageServices.Razor.Test.csproj b/test/Microsoft.VisualStudio.LanguageServices.Razor.Test/Microsoft.VisualStudio.LanguageServices.Razor.Test.csproj
index 62109a085..113d59635 100644
--- a/test/Microsoft.VisualStudio.LanguageServices.Razor.Test/Microsoft.VisualStudio.LanguageServices.Razor.Test.csproj
+++ b/test/Microsoft.VisualStudio.LanguageServices.Razor.Test/Microsoft.VisualStudio.LanguageServices.Razor.Test.csproj
@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <PropertyGroup Condition=" '$(TargetFramework)' == 'netcoreapp2.0' ">
-    <PackageTargetFallback>$(PackageTargetFallback);portable-net45+win8+wp8+wpa81;</PackageTargetFallback>
+    <AssetTargetFallback>$(AssetTargetFallback);portable-net45+win8+wp8+wpa81;</AssetTargetFallback>
   </PropertyGroup>
 
   <ItemGroup>