diff --git a/build-tools/automation/yaml-templates/variables.yaml b/build-tools/automation/yaml-templates/variables.yaml
index b170d2b8324..2975b8e1a13 100644
--- a/build-tools/automation/yaml-templates/variables.yaml
+++ b/build-tools/automation/yaml-templates/variables.yaml
@@ -76,3 +76,5 @@ variables:
   value: true
 - name: DOTNET_CLI_TELEMETRY_OPTOUT
   value: true
+- name: DOTNET_SKIP_FIRST_TIME_EXPERIENCE
+  value: true
diff --git a/build-tools/xaprepare/xaprepare/Steps/Step_InstallDotNetPreview.cs b/build-tools/xaprepare/xaprepare/Steps/Step_InstallDotNetPreview.cs
index 01214519f05..cface28e4f6 100644
--- a/build-tools/xaprepare/xaprepare/Steps/Step_InstallDotNetPreview.cs
+++ b/build-tools/xaprepare/xaprepare/Steps/Step_InstallDotNetPreview.cs
@@ -55,9 +55,9 @@ protected override async Task<bool> Execute (Context context)
 			for (int attempt = 1; attempt <= maxAttempts; attempt++) {
 				var logPath = $"{logPathBase}-attempt{attempt}.binlog";
 				var runner = new ProcessRunner (Configurables.Paths.DotNetPreviewTool, "restore",
-					ProcessRunner.QuoteArgument (packageDownloadProj),
+					packageDownloadProj,
 					"--configfile", Path.Combine (BuildPaths.XamarinAndroidSourceRoot, "NuGet.config"),
-					ProcessRunner.QuoteArgument ($"-bl:{logPath}"),
+					$"-bl:{logPath}",
 					"--verbosity", "normal"
 				) {
 					EchoStandardOutput = true,