diff --git a/packages/web/src/auth.ts b/packages/web/src/auth.ts
index c2c1c7fc..febd2a21 100644
--- a/packages/web/src/auth.ts
+++ b/packages/web/src/auth.ts
@@ -47,8 +47,8 @@ export const providerMap = providers
     .filter((provider) => provider.id !== "credentials");
 
 
-const useSecureCookies = AUTH_URL.startsWith("https://");
-const hostName = new URL(AUTH_URL).hostname;
+const useSecureCookies = AUTH_URL?.startsWith("https://") ?? false;
+const hostName = AUTH_URL ? new URL(AUTH_URL).hostname : "localhost";
 
 export const { handlers, signIn, signOut, auth } = NextAuth({
     secret: AUTH_SECRET,
diff --git a/packages/web/src/lib/environment.ts b/packages/web/src/lib/environment.ts
index 19c3985c..5066d1cd 100644
--- a/packages/web/src/lib/environment.ts
+++ b/packages/web/src/lib/environment.ts
@@ -12,4 +12,4 @@ export const AUTH_GITHUB_CLIENT_ID = getEnv(process.env.AUTH_GITHUB_CLIENT_ID);
 export const AUTH_GITHUB_CLIENT_SECRET = getEnv(process.env.AUTH_GITHUB_CLIENT_SECRET);
 export const AUTH_GOOGLE_CLIENT_ID = getEnv(process.env.AUTH_GOOGLE_CLIENT_ID);
 export const AUTH_GOOGLE_CLIENT_SECRET = getEnv(process.env.AUTH_GOOGLE_CLIENT_SECRET);
-export const AUTH_URL = getEnv(process.env.AUTH_URL, "")!;
+export const AUTH_URL = getEnv(process.env.AUTH_URL);