diff --git a/server/src/services/etsyApi.ts b/server/src/services/etsyApi.ts
index c6da893..4ddf1fb 100644
--- a/server/src/services/etsyApi.ts
+++ b/server/src/services/etsyApi.ts
@@ -376,7 +376,8 @@ export const syncLedgerEntries = async (
     unknownDebits: [],
   };
 
-  const windowSeconds = 90 * 24 * 60 * 60;
+  // Etsy caps the ledger query window at 31 days (2678400s); use 30 to be safe
+  const windowSeconds = 30 * 24 * 60 * 60;
   const nowSec = Math.floor(Date.now() / 1000);
   let windowStart = Math.floor(startDate.getTime() / 1000);