diff --git a/src/batch-submitter/tx-batch-submitter.ts b/src/batch-submitter/tx-batch-submitter.ts
index 636774d..629666e 100644
--- a/src/batch-submitter/tx-batch-submitter.ts
+++ b/src/batch-submitter/tx-batch-submitter.ts
@@ -316,7 +316,7 @@ export class TransactionBatchSubmitter extends BatchSubmitter {
 
     return {
       // TODO: Remove BLOCK_OFFSET by adding a tx to Geth's genesis
-      shouldStartAtBatch: shouldStartAtIndex - BLOCK_OFFSET,
+      shouldStartAtElement: shouldStartAtIndex - BLOCK_OFFSET,
       totalElementsToAppend,
       contexts,
       transactions,
diff --git a/src/transaciton-chain-contract.ts b/src/transaciton-chain-contract.ts
index 9c5106d..4a974a9 100644
--- a/src/transaciton-chain-contract.ts
+++ b/src/transaciton-chain-contract.ts
@@ -12,7 +12,7 @@ export interface BatchContext {
 }
 
 export interface AppendSequencerBatchParams {
-  shouldStartAtBatch: number // 5 bytes -- starts at batch
+  shouldStartAtElement: number // 5 bytes -- starts at batch
   totalElementsToAppend: number // 3 bytes -- total_elements_to_append
   contexts: BatchContext[] // total_elements[fixed_size[]]
   transactions: string[] // total_size_bytes[],total_size_bytes[]
@@ -53,7 +53,7 @@ const appendSequencerBatch = async (
 export const encodeAppendSequencerBatch = (
   b: AppendSequencerBatchParams
 ): string => {
-  const encodedShouldStartAtBatch = encodeHex(b.shouldStartAtBatch, 10)
+  const encodedShouldStartAtElement = encodeHex(b.shouldStartAtElement, 10)
   const encodedTotalElementsToAppend = encodeHex(b.totalElementsToAppend, 6)
 
   const encodedContextsHeader = encodeHex(b.contexts.length, 6)
@@ -71,7 +71,7 @@ export const encodeAppendSequencerBatch = (
     return acc + encodedTxDataHeader + remove0x(cur)
   }, '')
   return (
-    encodedShouldStartAtBatch +
+    encodedShouldStartAtElement +
     encodedTotalElementsToAppend +
     encodedContexts +
     encodedTransactionData