diff --git a/.changeset/odd-peas-raise.md b/.changeset/odd-peas-raise.md
new file mode 100644
index 00000000..7e760aa2
--- /dev/null
+++ b/.changeset/odd-peas-raise.md
@@ -0,0 +1,5 @@
+---
+"@blaze-cardano/tx": patch
+---
+
+patch: fromCbor -> fromCore for no deserialisation bugs
diff --git a/packages/blaze-tx/src/tx.ts b/packages/blaze-tx/src/tx.ts
index dba145c4..179565f9 100644
--- a/packages/blaze-tx/src/tx.ts
+++ b/packages/blaze-tx/src/tx.ts
@@ -1486,7 +1486,7 @@ export class TxBuilder {
       excessValue = this.getPitch();
 
       this.body.setFee(bigintMax(this.fee, this.minimumFee) + this.feePadding);
-      this.balanceChange(Value.fromCbor(excessValue.toCbor()));
+      this.balanceChange(Value.fromCore(excessValue.toCore()));
       const changeOutput = this.body.outputs()[this.changeOutputIndex!]!;
       if (changeOutput.amount().coin() > excessValue.coin()) {
         const excessDifference = value.merge(