diff --git a/packages/middleware-sdk-sqs/src/send-message-batch.ts b/packages/middleware-sdk-sqs/src/send-message-batch.ts
index 27664f635817..31aecffae4f8 100644
--- a/packages/middleware-sdk-sqs/src/send-message-batch.ts
+++ b/packages/middleware-sdk-sqs/src/send-message-batch.ts
@@ -42,7 +42,7 @@ export function sendMessageBatchMiddleware(options: PreviouslyResolved): Initial
       if (entries[entry.Id]) {
         const md5 = entries[entry.Id].MD5OfMessageBody;
         const hash = new options.md5();
-        hash.update(entry.MD5OfMessageBody || "");
+        hash.update(entry.MessageBody || "");
         if (md5 !== toHex(await hash.digest())) {
           messageIds.push(entries[entry.Id].MessageId);
         }