diff --git a/.changeset/grumpy-ads-smile.md b/.changeset/grumpy-ads-smile.md
new file mode 100644
index 0000000000000..22763555148de
--- /dev/null
+++ b/.changeset/grumpy-ads-smile.md
@@ -0,0 +1,5 @@
+---
+'@eth-optimism/sdk': patch
+---
+
+Have SDK properly handle case when no batches are submitted yet
diff --git a/packages/sdk/src/cross-chain-messenger.ts b/packages/sdk/src/cross-chain-messenger.ts
index 40212bd14d23f..1047fe5526c6d 100644
--- a/packages/sdk/src/cross-chain-messenger.ts
+++ b/packages/sdk/src/cross-chain-messenger.ts
@@ -654,6 +654,11 @@ export class CrossChainMessenger implements ICrossChainMessenger {
     let batchEvent: ethers.Event | null =
       await this.getStateBatchAppendedEventByBatchIndex(upperBound)
 
+    // Only happens when no batches have been submitted yet.
+    if (batchEvent === null) {
+      return null
+    }
+
     if (isEventLo(batchEvent, transactionIndex)) {
       // Upper bound is too low, means this transaction doesn't have a corresponding state batch yet.
       return null