diff --git a/lib/serve.js b/lib/serve.js
index 4764a871..576a6ffd 100644
--- a/lib/serve.js
+++ b/lib/serve.js
@@ -24,11 +24,14 @@ function createCallback(response) {
     for (const key in lambdaResponse.headers) {
       response.setHeader(key, lambdaResponse.headers[key]);
     }
-    response.write(
-      lambdaResponse.isBase64Encoded
-        ? Buffer.from(lambdaResponse.body, "base64")
-        : lambdaResponse.body
-    );
+
+    if (lambdaResponse.body) {
+      response.write(
+        lambdaResponse.isBase64Encoded
+          ? Buffer.from(lambdaResponse.body, "base64")
+          : lambdaResponse.body
+      );
+    }
     response.end();
   }
 }