3 files changed, 15 insertions, 6 deletions

diff --git a/src/WixToolset.BuildTasks/WixToolset.BuildTasks.csproj b/src/WixToolset.BuildTasks/WixToolset.BuildTasks.csproj
index 2d7e7ca7..c006b5a4 100644
--- a/src/WixToolset.BuildTasks/WixToolset.BuildTasks.csproj
+++ b/src/WixToolset.BuildTasks/WixToolset.BuildTasks.csproj
@@ -3,8 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.1</TargetFrameworks>
-    <TargetFrameworks Condition=" '$(Configuration)'=='Release' ">$(TargetFrameworks);net461</TargetFrameworks>
+    <TargetFrameworks>netcoreapp2.1;net461</TargetFrameworks>
     <Description></Description>
     <Title>WiX Toolset MSBuild Tasks</Title>
     <DebugType>embedded</DebugType>
@@ -28,6 +27,10 @@
     <PackageReference Include="WixToolset.Core.WindowsInstaller" Version="4.0.*" />
   </ItemGroup>
 
+  <ItemGroup Condition="'$(TargetFramework)'=='net461' and '$(OS)' != 'Windows_NT'">
+    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" PrivateAssets="All" Version="1.0.0" />
+  </ItemGroup>
+
   <ItemGroup Condition="'$(TargetFramework)'=='netcoreapp2.1' ">
     <PackageReference Include="Microsoft.Build.Tasks.Core" Version="15.7.179" />
   </ItemGroup>
diff --git a/src/heat/heat.csproj b/src/heat/heat.csproj
index 780a9496..51c9b297 100644
--- a/src/heat/heat.csproj
+++ b/src/heat/heat.csproj
@@ -3,8 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.1</TargetFrameworks>
-    <TargetFrameworks Condition=" '$(Configuration)'=='Release' ">$(TargetFrameworks);net461</TargetFrameworks>
+    <TargetFrameworks>netcoreapp2.1;net461</TargetFrameworks>
     <OutputType>Exe</OutputType>
     <Description>Harvester</Description>
     <Title>WiX Harvester</Title>
@@ -25,6 +24,10 @@
     <Compile Include="..\wix\ConsoleMessageListener.cs" Link="ConsoleMessageListener.cs" />
   </ItemGroup>
 
+  <ItemGroup Condition="'$(TargetFramework)'=='net461' and '$(OS)' != 'Windows_NT'">
+    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" PrivateAssets="All" Version="1.0.0" />
+  </ItemGroup>
+
   <ItemGroup>
     <PackageReference Include="WixToolset.Core" Version="4.0.*" />
     <PackageReference Include="WixToolset.Harvesters" Version="4.0.*" />
diff --git a/src/wix/wix.csproj b/src/wix/wix.csproj
index 3125a7e7..d03d076e 100644
--- a/src/wix/wix.csproj
+++ b/src/wix/wix.csproj
@@ -3,8 +3,7 @@
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.1</TargetFrameworks>
-    <TargetFrameworks Condition=" '$(Configuration)'=='Release' ">$(TargetFrameworks);net461</TargetFrameworks>
+    <TargetFrameworks>netcoreapp2.1;net461</TargetFrameworks>
     <OutputType>Exe</OutputType>
     <Description>Compiler</Description>
     <Title>WiX Toolset Compiler</Title>
@@ -21,6 +20,10 @@
     <NoWarn>NU1701</NoWarn>
   </PropertyGroup>
 
+  <ItemGroup Condition="'$(TargetFramework)'=='net461' and '$(OS)' != 'Windows_NT'">
+    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" PrivateAssets="All" Version="1.0.0" />
+  </ItemGroup>
+
   <ItemGroup>
     <PackageReference Include="WixToolset.Converters" Version="4.0.*" />
     <PackageReference Include="WixToolset.Core.Burn" Version="4.0.*" />