diff --git a/www/InAppBrowser.js b/www/InAppBrowser.js
index 5da53fd..83f5a22 100644
--- a/www/InAppBrowser.js
+++ b/www/InAppBrowser.js
@@ -30,6 +30,7 @@ function InAppBrowser() {
         'loaderror' : channel.create('loaderror'),
         'exit' : channel.create('exit')
    };
+   this._alive = true;
 }
 
 InAppBrowser.prototype = {
@@ -39,7 +40,10 @@ InAppBrowser.prototype = {
         }
     },
     close: function (eventname) {
-        exec(null, null, "InAppBrowser", "close", []);
+        if (this._alive) {
+            this._alive = false;
+            exec(null, null, "InAppBrowser", "close", []);
+        }
     },
     show: function (eventname) {
       exec(null, null, "InAppBrowser", "show", []);