diff --git a/dist/extra/IFrameAPI.js b/dist/extra/IFrameAPI.js
index 19f169b2b..0dba2598d 100644
--- a/dist/extra/IFrameAPI.js
+++ b/dist/extra/IFrameAPI.js
@@ -14,6 +14,8 @@ ol.ext.IFrameAPI = function(targetOrigin) {
   this.setter = {};
   // Listener api
   this.listener = {};
+  // Nothing to do there
+  if (window.parent === window) return;
   // Wait for target ready
   window.addEventListener('message', function(e) {
     if (e.data.listener) {
diff --git a/dist/extra/MapIFrameAPI.js b/dist/extra/MapIFrameAPI.js
index 90e49a846..8f89572eb 100644
--- a/dist/extra/MapIFrameAPI.js
+++ b/dist/extra/MapIFrameAPI.js
@@ -58,7 +58,7 @@ var MapIFrameAPI = function(win, id, targetOrigin) {
  * @param {Object|function} data argments or a callback function to get returned Transferable
  * @param {function} fn callback function to get returned Transferable
  */
- MapIFrameAPI.prototype.call = function(key, data, fn) {
+MapIFrameAPI.prototype.call = function(key, data, fn) {
   if (typeof(data)==='function') { 
     fn = data;
     data = undefined;
@@ -91,7 +91,7 @@ var MapIFrameAPI = function(win, id, targetOrigin) {
  * @param {function} fn callback function
  * @return {function} IFrameListener
  */
- MapIFrameAPI.prototype.addIFrameListener = function(key, fn, data) {
+MapIFrameAPI.prototype.addIFrameListener = function(key, fn, data) {
   var callback = function(e) {
     if (e.data.id === this.id && e.data.api === key) {
       fn.call(this, e.data.data);
diff --git a/src/utils/IFrameAPI.js b/src/utils/IFrameAPI.js
index 6292a43bd..82a9f853d 100644
--- a/src/utils/IFrameAPI.js
+++ b/src/utils/IFrameAPI.js
@@ -15,6 +15,8 @@ var ol_ext_IFrameAPI = function(targetOrigin) {
   this.setter = {};
   // Listener api
   this.listener = {};
+  // Nothing to do there
+  if (window.parent === window) return;
   // Wait for target ready
   window.addEventListener('message', function(e) {
     if (e.data.listener) {
diff --git a/src/utils/MapIFrameAPI.js b/src/utils/MapIFrameAPI.js
index 6237aa142..d4341020b 100644
--- a/src/utils/MapIFrameAPI.js
+++ b/src/utils/MapIFrameAPI.js
@@ -59,7 +59,7 @@ var MapIFrameAPI = function(win, id, targetOrigin) {
  * @param {Object|function} data argments or a callback function to get returned Transferable
  * @param {function} fn callback function to get returned Transferable
  */
- MapIFrameAPI.prototype.call = function(key, data, fn) {
+MapIFrameAPI.prototype.call = function(key, data, fn) {
   if (typeof(data)==='function') { 
     fn = data;
     data = undefined;
@@ -93,7 +93,7 @@ var MapIFrameAPI = function(win, id, targetOrigin) {
  * @param {function} fn callback function
  * @return {function} IFrameListener
  */
- MapIFrameAPI.prototype.addIFrameListener = function(key, fn, data) {
+MapIFrameAPI.prototype.addIFrameListener = function(key, fn, data) {
   var callback = function(e) {
     if (e.data.id === this.id && e.data.api === key) {
       fn.call(this, e.data.data);