diff --git a/src/scripts/content_script.js b/src/scripts/content_script.js
index ee262fd..286eb46 100644
--- a/src/scripts/content_script.js
+++ b/src/scripts/content_script.js
@@ -50,7 +50,7 @@
         from: 'BLOCKTUBE_CONTENT',
         type: 'storageData',
         data: compiledStorage || globalStorage,
-      }, `https://${document.domain}`);
+      }, document.location.origin);
     },
     inject() {
       const s = document.createElement('script');
diff --git a/src/scripts/inject.js b/src/scripts/inject.js
index 659a5ac..4392938 100644
--- a/src/scripts/inject.js
+++ b/src/scripts/inject.js
@@ -464,7 +464,7 @@
   // !! Utils
 
   function postMessage(type, data) {
-    window.postMessage({ from: 'BLOCKTUBE_PAGE', type, data }, `https://${document.domain}`);
+    window.postMessage({ from: 'BLOCKTUBE_PAGE', type, data }, document.locaion.origin);
   }
 
   function getObjectByPath(obj, path, def = undefined) {
diff --git a/src/scripts/seed.js b/src/scripts/seed.js
index 24473c2..9ca5dc1 100644
--- a/src/scripts/seed.js
+++ b/src/scripts/seed.js
@@ -116,7 +116,7 @@
   }
 
   function postMessage(type, data) {
-    window.postMessage({ from: 'BLOCKTUBE_PAGE', type, data }, `https://${document.domain}`);
+    window.postMessage({ from: 'BLOCKTUBE_PAGE', type, data }, document.location.origin);
   }
 
   if (window.writeEmbed || window.ytplayer || window.Polymer) {