diff --git a/src/ClashConfigBuilder.js b/src/ClashConfigBuilder.js
index 67036b05..475c6c7e 100644
--- a/src/ClashConfigBuilder.js
+++ b/src/ClashConfigBuilder.js
@@ -174,7 +174,7 @@ export class ClashConfigBuilder extends BaseConfigBuilder {
                     cipher: proxy.security,
                     tls: proxy.tls?.enabled || false,
                     'client-fingerprint': proxy.tls.utls?.fingerprint,
-                    servername: proxy.tls?.server_name || '',
+                    sni: proxy.tls?.server_name || '',
                     network: proxy.transport?.type || 'tcp',
                     'ws-opts': proxy.transport?.type === 'ws' ? {
                         path: proxy.transport.path,
diff --git a/src/utils.js b/src/utils.js
index 7bf88d83..e9c1a947 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -137,7 +137,7 @@ export function parseServerInfo(serverInfo) {
 	if (params.security === 'xtls' || params.security === 'tls' || params.security === 'reality') {
 	  tls = {
 		enabled: true,
-		server_name: params.sni,
+		server_name: params.sni || params.host,
 		insecure: false,
 		utls: {
 		  enabled: true,