diff --git a/fetch/api/request/request-init-003.sub.html b/fetch/api/request/request-init-003.sub.html
index 507007f1f4c30f..79c91cdfe82af4 100644
--- a/fetch/api/request/request-init-003.sub.html
+++ b/fetch/api/request/request-init-003.sub.html
@@ -44,7 +44,7 @@
                              "referrer" : "about:client",
                              "referrerPolicy" : "",
                              "mode" : "cors",
-                             "credentials" : "omit",
+                             "credentials" : "same-origin",
                              "cache" : "default",
                              "redirect" : "follow",
                              "integrity" : "",
diff --git a/fetch/api/request/request-structure.html b/fetch/api/request/request-structure.html
index 98c24517e66af5..ccdb707795c16e 100644
--- a/fetch/api/request/request-structure.html
+++ b/fetch/api/request/request-structure.html
@@ -76,7 +76,7 @@
             break;
 
           case "credentials":
-            defaultValue = "omit";
+            defaultValue = "same-origin";
             newValue = "cors";
             break;