diff --git a/background/db.js b/background/db.js
index fc8b6fa1..9e28eac3 100644
--- a/background/db.js
+++ b/background/db.js
@@ -88,6 +88,7 @@ const db = (() => {
     chromeLocal.set({dbInChromeStorage: true}, ignoreChromeError);
     if (err) {
       chromeLocal.setValue('dbInChromeStorageReason', workerUtil.cloneError(err));
+      console.warn(`Stylus failed to access indexedDB. Switched to storage API.`, err);
     }
     localStorage.dbInChromeStorage = 'true';
   }