diff --git a/src/js/resources/cookie.js b/src/js/resources/cookie.js
index 517fa9c04..d96f4ab46 100644
--- a/src/js/resources/cookie.js
+++ b/src/js/resources/cookie.js
@@ -135,7 +135,15 @@ export function setCookieFn(
 
     if ( trusted ) {
         if ( options.domain ) {
-            cookieParts.push(`; domain=${options.domain}`);
+            let domain = options.domain;
+            if ( /^\/.+\//.test(domain) ) {
+                const reDomain = new RegExp(domain.slice(1, -1));
+                const match = reDomain.exec(document.location.hostname);
+                domain = match ? match[0] : undefined;
+            }
+            if ( domain ) {
+                cookieParts.push(`; domain=${domain}`);
+            }
         }
         cookieParts.push('; Secure');
     } else if ( /^__(Host|Secure)-/.test(name) ) {