diff --git a/src/Tools/dotnet-sos/Program.cs b/src/Tools/dotnet-sos/Program.cs
index 1074d8433e..55fc1c68a6 100644
--- a/src/Tools/dotnet-sos/Program.cs
+++ b/src/Tools/dotnet-sos/Program.cs
@@ -40,7 +40,7 @@ private static Command InstallCommand() =>
 
         private static Option ArchitectureOption() =>
             new Option(
-                alias: "--architecture",
+                aliases: new[] { "-a", "--arch", "--architecture" }, 
                 description: "The processor architecture to install.")
             {
                 Argument = new Argument<Architecture>(name: "architecture")