diff --git a/templates/home.html b/templates/home.html
index f530be7..c4da670 100644
--- a/templates/home.html
+++ b/templates/home.html
@@ -73,7 +73,7 @@
 
 
 
-    <iframe src="https://ao.astral.ru/integrationBlock?officeGuid=608898d5-5d40-4a64-8518-565934c77037"
+    <iframe src="//ao.astral.ru/integrationBlock?officeGuid=608898d5-5d40-4a64-8518-565934c77037"
           width="350px" height="311px" align="center" frameBorder="0" allowTransparency="true" /></iframe>
 
 <!-- <section class="py-5 text-center container"> -->