diff --git a/adapters/oidc/js/src/main/resources/keycloak.js b/adapters/oidc/js/src/main/resources/keycloak.js
index 563f7cacc5..577452e634 100755
--- a/adapters/oidc/js/src/main/resources/keycloak.js
+++ b/adapters/oidc/js/src/main/resources/keycloak.js
@@ -380,6 +380,7 @@
                         var req = new XMLHttpRequest();
                         req.open('POST', url, true);
                         req.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
+                        req.withCredentials = true;
 
                         if (kc.clientId && kc.clientSecret) {
                             req.setRequestHeader('Authorization', 'Basic ' + btoa(kc.clientId + ':' + kc.clientSecret));