diff --git a/src/NETStandardReferenceAssemblies/NETStandardReferenceAssemblies.csproj b/src/NETStandardReferenceAssemblies/NETStandardReferenceAssemblies.csproj
index e42d075..eebe76a 100644
--- a/src/NETStandardReferenceAssemblies/NETStandardReferenceAssemblies.csproj
+++ b/src/NETStandardReferenceAssemblies/NETStandardReferenceAssemblies.csproj
@@ -26,7 +26,7 @@
       <!--
         Copies all references from NuGet packages to the output directory
       -->
-      <Content Include="@(ReferencePath)" Condition=" '%(ReferencePath.NuGetIsFrameworkReference)' == 'false' " KeepMetadata="CopyToOutputDirectory">
+      <Content Include="@(ReferencePath)" Condition=" '%(ReferencePath.NuGetIsFrameworkReference)' != 'true' " KeepMetadata="CopyToOutputDirectory">
         <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
         <Link>$(DestinationSubDirectory)%(Filename)%(Extension)</Link>
         <Visible>false</Visible>
diff --git a/src/RoslynCodeTaskFactory/CodeTaskFactory.cs b/src/RoslynCodeTaskFactory/CodeTaskFactory.cs
index 51b97e7..646bd5a 100644
--- a/src/RoslynCodeTaskFactory/CodeTaskFactory.cs
+++ b/src/RoslynCodeTaskFactory/CodeTaskFactory.cs
@@ -54,7 +54,9 @@ public sealed partial class CodeTaskFactory : ITaskFactory
                     "System.Collections",
                     "System.IO",
                     "System.IO.FileSystem",
+                    "System.IO.FileSystem.Primitives",
                     "System.Linq",
+                    "System.Runtime.Extensions",
                 }
             },
             // CSharp specific assembly references
diff --git a/src/Samples/Directory.Build.targets b/src/Samples/Directory.Build.targets
index 27e67f1..f74fa44 100644
--- a/src/Samples/Directory.Build.targets
+++ b/src/Samples/Directory.Build.targets
@@ -18,6 +18,8 @@
             Log.LogMessage(MessageImportance.High, "Hello from an inline task created by Roslyn!");
             Log.LogMessageFromText($"Parameter1: '{Parameter1}'", MessageImportance.High);
             Log.LogMessageFromText($"Parameter2: '{Parameter2}'", MessageImportance.High);
+            Log.LogMessageFromText($"%TEMP%: {Path.GetTempPath()}", MessageImportance.High);
+            
             Parameter3 = "A value from the Roslyn CodeTaskFactory";]]>
       </Code>
     </Task>