diff --git a/tslib.es6.js b/tslib.es6.js
index 2c2ddf5..50cb804 100644
--- a/tslib.es6.js
+++ b/tslib.es6.js
@@ -202,7 +202,7 @@ var __setModuleDefault = Object.create ? (function(o, v) {
 export function __importStar(mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 }
diff --git a/tslib.js b/tslib.js
index 50dc71c..91230dd 100644
--- a/tslib.js
+++ b/tslib.js
@@ -242,7 +242,7 @@ var __createBinding;
     __importStar = function (mod) {
         if (mod && mod.__esModule) return mod;
         var result = {};
-        if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+        if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
         __setModuleDefault(result, mod);
         return result;
     };