diff --git a/tslib.es6.js b/tslib.es6.js
index 02484cb..0e0d8d0 100644
--- a/tslib.es6.js
+++ b/tslib.es6.js
@@ -109,7 +109,7 @@ export function __createBinding(o, m, k, k2) {
 }
 
 export function __exportStar(m, exports) {
-    for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];
+    for (var p in m) if (p !== "default" && !exports.hasOwnProperty(p)) exports[p] = m[p];
 }
 
 export function __values(o) {
diff --git a/tslib.js b/tslib.js
index f89909f..18aa189 100644
--- a/tslib.js
+++ b/tslib.js
@@ -150,7 +150,7 @@ var __createBinding;
     };
 
     __exportStar = function (m, exports) {
-        for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];
+        for (var p in m) if (p !== "default" && !exports.hasOwnProperty(p)) exports[p] = m[p];
     };
 
     __values = function (o) {