diff --git a/frontend/src/ts/modules/security/guard/auth.guard.ts b/frontend/src/ts/modules/security/guard/auth.guard.ts
index 58caaaf5..eb4ffbff 100644
--- a/frontend/src/ts/modules/security/guard/auth.guard.ts
+++ b/frontend/src/ts/modules/security/guard/auth.guard.ts
@@ -29,14 +29,14 @@ export abstract class AuthGuard implements CanActivate {
     let url = new URL(window.location.href);
     if (!AccessChecker.checkBrowser()) {
       this.progressIndicationService.hideProgressBar();
-      window.open(url.origin + this.landingUlUrl, "_self");
+      window.location.replace(url.origin + this.landingUlUrl);
       return false;
     }
 
     return AccessChecker.checkCsp(this.cspTimeout)
         .then((cspCheckPassed) => {
           if (!cspCheckPassed) {
-            window.open(url.origin + this.landingUlUrl, "_self");
+            window.location.replace(url.origin + this.landingUlUrl);
             return Promise.reject("CSP check failed - redirecting to landing")
           }
           return Promise.resolve(this.checkAccess());