diff --git a/sib-auth-provider.js b/sib-auth-provider.js
index ad5d33db169ad157e29914f6556151430d54f886..5ed45136c04ad8b3b288593761acd56949b7f341 100644
--- a/sib-auth-provider.js
+++ b/sib-auth-provider.js
@@ -33,6 +33,9 @@ class SIBAuthProvider extends HTMLElement {
     if ('localStorage' in window) {
       window.localStorage.clear();
     }
+    if ('sessionStorage' in window) {
+      window.sessionStorage.clear();
+    }
     auth.login(this.dataset.authority, { clientName: this.dataset.clientName });
   }