diff --git a/client/src/mixins/logout.js b/client/src/mixins/logout.js
index 6982bc95..a7939d22 100644
--- a/client/src/mixins/logout.js
+++ b/client/src/mixins/logout.js
@@ -7,7 +7,11 @@ export default {
         mutation: LOGOUT_MUTATION,
       }).then(({data}) => {
         if (data.logout.success) {
-          location.replace(`https://sso.hep-verlag.ch/logout?return_to=${process.env.LOGOUT_REDIRECT_URL}`);
+          if (process.env.LOGOUT_REDIRECT_URL) {
+            location.replace(`https://sso.hep-verlag.ch/logout?return_to=${process.env.LOGOUT_REDIRECT_URL}`);
+          } else {
+            location.replace(`/`);
+          }
         }
       });
     }