diff --git a/src/compiler/commandLineParser.ts b/src/compiler/commandLineParser.ts
index d5bf95a6405..3eb42292fb1 100644
--- a/src/compiler/commandLineParser.ts
+++ b/src/compiler/commandLineParser.ts
@@ -130,6 +130,10 @@ namespace ts {
             name: "skipDefaultLibCheck",
             type: "boolean",
         },
+        {
+            name: "strictThis",
+            type: "boolean",
+        },
         {
             name: "out",
             type: "string",
diff --git a/src/compiler/diagnosticMessages.json b/src/compiler/diagnosticMessages.json
index ca5a6d9d415..2043a89c8fd 100644
--- a/src/compiler/diagnosticMessages.json
+++ b/src/compiler/diagnosticMessages.json
@@ -1819,6 +1819,10 @@
         "category": "Error",
         "code": 2670
     },
+    "A function that is called with the 'new' keyword cannot have a 'this' type that is void.": {
+        "category": "Error",
+        "code": 2671
+    },
     "Import declaration '{0}' is using private name '{1}'.": {
         "category": "Error",
         "code": 4000