diff --git a/lib/command.mjs b/lib/command.mjs
index 378cf64..68ca2bd 100644
--- a/lib/command.mjs
+++ b/lib/command.mjs
@@ -16,7 +16,11 @@ export default (
         '-o',
         `PreferredAuthentications=${auth}`,
       ],
-  user: localhost(host) || user !== '' || user.includes('@'),
+  user:
+    localhost(host) ||
+    user !== '' ||
+    user.includes('@') ||
+    address(headers, user, host).includes('@'),
 });
 
 function address(headers, user, host) {