diff --git a/email_api/email_api/app.js b/email_api/email_api/app.js
index 69ab1d1..bc9563e 100644
--- a/email_api/email_api/app.js
+++ b/email_api/email_api/app.js
@@ -146,7 +146,7 @@ app.post('/process/:domain', async (req, res) => {
     const emailBytes = compressed ? gunzipSync(Buffer.from(raw, 'binary')).toString('binary') : raw;
 
     const emailBuffer = Buffer.from(emailBytes, 'binary');
-    const parser = await simpleParser(body);
+    const parser = await simpleParser(emailBuffer);
     const fromAddr = parser.from?.value[0]?.address || `lambda@${domain}`;
     recipients = [
       ...(parser.to?.value || []),