diff --git a/src/embedded-script.js b/src/embedded-script.js
index 7d4d43b7..318d7720 100644
--- a/src/embedded-script.js
+++ b/src/embedded-script.js
@@ -67,7 +67,7 @@ const CncfLandscapeApp = {
         search: window.location.search,
         pathname: window.location.pathname
       }
-    });
+    }, '*');
   }
 }
 document.addEventListener('DOMContentLoaded', () => CncfLandscapeApp.init());
diff --git a/src/modal-script.js b/src/modal-script.js
index fa97af0d..7ff1e6f5 100644
--- a/src/modal-script.js
+++ b/src/modal-script.js
@@ -144,7 +144,7 @@ const CncfLandscapeApp = {
   },
 
   hideSelectedItem: function() {
-    window.parent.postMessage({type: 'landscapeapp-hide'});
+    window.parent.postMessage({type: 'landscapeapp-hide'}, '*');
   }
 }
 document.addEventListener('DOMContentLoaded', () => CncfLandscapeApp.init());