diff --git a/keycloak.js b/keycloak.js
index 101233f9..3f337b1a 100644
--- a/keycloak.js
+++ b/keycloak.js
@@ -403,11 +403,14 @@ Keycloak.prototype.loginUrl = function (uuid, redirectUrl) {
 Keycloak.prototype.logoutUrl = function (redirectUrl, idTokenHint) {
   const url = new URL(this.config.realmUrl + '/protocol/openid-connect/logout')
 
-  if (redirectUrl && idTokenHint) {
-    url.searchParams.set('id_token_hint', idTokenHint)
+  if (redirectUrl) {
     url.searchParams.set('post_logout_redirect_uri', redirectUrl)
   }
 
+  if (idTokenHint) {
+    url.searchParams.set('id_token_hint', idTokenHint)
+  }
+
   return url.toString()
 }
 
diff --git a/test/unit/keycloak-object-test.js b/test/unit/keycloak-object-test.js
index eb5b3cc2..01bdef49 100644
--- a/test/unit/keycloak-object-test.js
+++ b/test/unit/keycloak-object-test.js
@@ -67,6 +67,8 @@ test('Should verify if login URL has the default scope value.', t => {
 
 test('Should verify if logout URL has the configured realm.', t => {
   t.equal(kc.logoutUrl().indexOf(kc.config.realm) > 0, true)
+  t.equal(kc.logoutUrl('redirectURI').indexOf('redirectURI') >0, true)
+  t.equal(kc.logoutUrl('redirectURI', 'hint').indexOf('hint') >0, true)
   t.end()
 })