diff --git a/eng/common/sdl/sdl.ps1 b/eng/common/sdl/sdl.ps1
index ac196e164..648c5068d 100644
--- a/eng/common/sdl/sdl.ps1
+++ b/eng/common/sdl/sdl.ps1
@@ -1,6 +1,7 @@
 
 function Install-Gdn {
     param(
+        [Parameter(Mandatory=$true)]
         [string]$Path,
 
         # If omitted, install the latest version of Guardian, otherwise install that specific version.
diff --git a/src/SourceBuild/tarball/content/repos/fsharp.proj b/src/SourceBuild/tarball/content/repos/fsharp.proj
index bc9a10be7..3ffd14406 100644
--- a/src/SourceBuild/tarball/content/repos/fsharp.proj
+++ b/src/SourceBuild/tarball/content/repos/fsharp.proj
@@ -27,6 +27,7 @@
 
   <ItemGroup>
     <UseSourceBuiltSdkOverride Include="@(ArcadeSdkOverride)" />
+    <EnvironmentVariables Include="CheckEolTargetFramework=false" />
   </ItemGroup>
 
   <Target Name="SetArcadeSdkDir"