diff --git a/src/pretix/static/pretixpresale/js/ui/cookieconsent.js b/src/pretix/static/pretixpresale/js/ui/cookieconsent.js
index cc10d8278..be0f85ed9 100644
--- a/src/pretix/static/pretixpresale/js/ui/cookieconsent.js
+++ b/src/pretix/static/pretixpresale/js/ui/cookieconsent.js
@@ -67,7 +67,7 @@ $(function () {
         save_for_session_only = !!window.localStorage[storage_key];
     } else if (window.localStorage[storage_key]) {
         // The user made a specific selection, let's use that.
-        storage_val = JSON.parse(window.localStorage[storage_key]);
+        storage_val = JSON.parse(window.localStorage[storage_key]) || {};
         consent_source = 'localStorage';
         save_for_session_only = false;
     } else {