diff --git a/samples/VanillaJS/public/code-identityserver-sample.js b/samples/VanillaJS/public/code-identityserver-sample.js
index 796fae09..6c1d901c 100644
--- a/samples/VanillaJS/public/code-identityserver-sample.js
+++ b/samples/VanillaJS/public/code-identityserver-sample.js
@@ -123,7 +123,7 @@ function removeUser() {
 
 function startSigninMainWindow() {
     var someState = {message:'some data'};
-    mgr.signinRedirect({state:someState}).then(function() {
+    mgr.signinRedirect({state:someState, useReplaceToNavigate:true}).then(function() {
         log("signinRedirect done");
     }).catch(function(err) {
         log(err);
diff --git a/src/RedirectNavigator.js b/src/RedirectNavigator.js
index ab7a9361..fa382443 100644
--- a/src/RedirectNavigator.js
+++ b/src/RedirectNavigator.js
@@ -15,7 +15,12 @@ export class RedirectNavigator {
             return Promise.reject(new Error("No url provided"));
         }
 
-        window.location = params.url;
+        if (params.useReplaceToNavigate) {
+            window.location.replace(params.url);
+        }
+        else {
+            window.location = params.url;
+        }
 
         return Promise.resolve();
     }
diff --git a/src/UserManager.js b/src/UserManager.js
index 7807b08b..3f471288 100644
--- a/src/UserManager.js
+++ b/src/UserManager.js
@@ -88,7 +88,10 @@ export class UserManager extends OidcClient {
 
     signinRedirect(args = {}) {
         args.request_type = "si:r";
-        return this._signinStart(args, this._redirectNavigator).then(()=>{
+        let navParams = {
+            useReplaceToNavigate : args.useReplaceToNavigate
+        };
+        return this._signinStart(args, this._redirectNavigator, navParams).then(()=>{
             Log.info("UserManager.signinRedirect: successful");
         });
     }