diff --git a/package.json b/package.json
index aa1cf00..8b8d5c4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gaebolg",
-  "version": "6.1.0-alpha.nightly",
+  "version": "6.1.1-alpha.nightly",
   "main": "index.js",
   "author": "sinkaroid",
   "repository": {
diff --git a/src/index.ts b/src/index.ts
index 4fb6771..d5c6cbd 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -7,7 +7,7 @@ import { iParams, valid_type,
 export async function handler(
   event: APIGatewayEvent) {
 
-  const userAgent = event.multiValueHeaders["user-agent"] ? event.multiValueHeaders["user-agent"][0] : "no user agent";
+  const userAgent = event.multiValueHeaders["user-agent"] ? event.multiValueHeaders["user-agent"][0] : null;
   const gateway = { specs: event.queryStringParameters as unknown as iParams };
 
   if (!valid_type.includes(gateway.specs.type)) return errorNoParams(userAgent);
diff --git a/src/utils/handler.ts b/src/utils/handler.ts
index b29ab22..28555d6 100644
--- a/src/utils/handler.ts
+++ b/src/utils/handler.ts
@@ -2,7 +2,7 @@ import { valid_image_hentai, valid_image_porn, valid_image_nasuverse } from "../
 import { version, name } from "../../package.json";
 
 
-export async function errorNoParams(ua: string) {
+export async function errorNoParams(ua: string | null) {
   return {
     statusCode: 400,
     body: JSON.stringify({
@@ -56,7 +56,7 @@ export async function maybeError(genre: string) {
   };
 } 
 
-export async function successDelivered(url: string, userAgent: string) {
+export async function successDelivered(url: string, userAgent: string | null) {
   return {
     statusCode: 200,
     headers: {