diff --git a/test/TestUtilities/Test.Utility/CommandRunner.cs b/test/TestUtilities/Test.Utility/CommandRunner.cs
index 7733f71d38c..23de091146d 100644
--- a/test/TestUtilities/Test.Utility/CommandRunner.cs
+++ b/test/TestUtilities/Test.Utility/CommandRunner.cs
@@ -55,7 +55,7 @@ public static CommandRunnerResult Run(string filename, string workingDirectory =
                     process.StartInfo.Environment["UseSharedCompilation"] = bool.FalseString;
                     process.StartInfo.Environment["DOTNET_SKIP_FIRST_TIME_EXPERIENCE"] = bool.TrueString;
                     process.StartInfo.Environment["DOTNET_CLI_TELEMETRY_OPTOUT"] = bool.TrueString;
-                    process.StartInfo.Environment["SuppressNETCoreSdkPreviewMessage"] = bool.FalseString;
+                    process.StartInfo.Environment["SuppressNETCoreSdkPreviewMessage"] = bool.TrueString;
 
                     if (environmentVariables != null)
                     {