diff --git a/cashu/mint/ledger.py b/cashu/mint/ledger.py
index f5c6ffd..0304536 100644
--- a/cashu/mint/ledger.py
+++ b/cashu/mint/ledger.py
@@ -919,6 +919,10 @@ class Ledger:
             if not self._verify_outputs(total, amount, outputs):
                 raise Exception("split of promises is not as expected.")
             logger.trace(f"verified outputs")
+            # Mark proofs as used and prepare new promises
+            logger.trace(f"invalidating proofs")
+            await self._invalidate_proofs(proofs)
+            logger.trace(f"invalidated proofs")
         except Exception as e:
             logger.trace(f"split failed: {e}")
             raise e
@@ -926,11 +930,6 @@ class Ledger:
             # delete proofs from pending list
             await self._unset_proofs_pending(proofs)
 
-        # Mark proofs as used and prepare new promises
-        logger.trace(f"invalidating proofs")
-        await self._invalidate_proofs(proofs)
-        logger.trace(f"invalidated proofs")
-
         # split outputs according to amount
         outs_fst = amount_split(total - amount)
         B_fst = [od for od in outputs[: len(outs_fst)]]