diff --git a/site/src/routes/auth/_config.js b/site/src/routes/auth/_config.js
index d155e56de8..7d1669cd72 100644
--- a/site/src/routes/auth/_config.js
+++ b/site/src/routes/auth/_config.js
@@ -1,6 +1,6 @@
 export const oauth = 'https://github.com/login/oauth';
 export const baseurl = process.env.BASEURL;
-export const secure = baseurl.startsWith('https:');
+export const secure = baseurl && baseurl.startsWith('https:');
 
 export const client_id = process.env.GITHUB_CLIENT_ID;
 export const client_secret = process.env.GITHUB_CLIENT_SECRET;
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