diff --git a/src/compiler/commandLineParser.ts b/src/compiler/commandLineParser.ts
index 80d7f0b1f16..506a2d5bee4 100644
--- a/src/compiler/commandLineParser.ts
+++ b/src/compiler/commandLineParser.ts
@@ -37,6 +37,11 @@ namespace ts {
             type: "boolean",
             description: Diagnostics.Print_this_message,
         },
+        {
+            name: "help",
+            shortName: "?",
+            type: "boolean"
+        },
         {
             name: "init",
             type: "boolean",