diff --git a/src/wikiless.js b/src/wikiless.js
index a83ce6c..92d7908 100644
--- a/src/wikiless.js
+++ b/src/wikiless.js
@@ -40,7 +40,7 @@ let https = null
 if(config.https_enabled) {
   const privateKey = fs.readFileSync(`${config.cert_dir}/privkey.pem`, 'utf8')
   const certificate = fs.readFileSync(`${config.cert_dir}/cert.pem`, 'utf8')
-  const ca = fs.readFileSync(`${config.cert_dir}/chain.pem`, 'utf8')
+  const ca = fs.readFileSync(`${config.cert_dir}/fullchain.pem`, 'utf8')
   const credentials = {
 	  key: privateKey,
 	  cert: certificate,