diff --git a/src/compiler/types.ts b/src/compiler/types.ts
index 977b2efac6a61..d09ebfef81f9d 100644
--- a/src/compiler/types.ts
+++ b/src/compiler/types.ts
@@ -2382,7 +2382,7 @@ namespace ts {
         inlineSourceMap?: boolean;
         inlineSources?: boolean;
         jsx?: JsxEmit;
-        jsxNamespace? : string;        
+        jsxNamespace? : string;
         listFiles?: boolean;
         locale?: string;
         mapRoot?: string;