diff --git a/src/compiler/commandLineParser.ts b/src/compiler/commandLineParser.ts
index 61739fcecac..a3065bd7a4b 100644
--- a/src/compiler/commandLineParser.ts
+++ b/src/compiler/commandLineParser.ts
@@ -103,6 +103,10 @@ module ts {
             name: "noResolve",
             type: "boolean",
         },
+        {
+            name: "skipDefaultLibCheck",
+            type: "boolean",
+        },
         {
             name: "out",
             type: "string",