diff --git a/sshuttle/client.py b/sshuttle/client.py
index cf4fc91..4c3dc53 100644
--- a/sshuttle/client.py
+++ b/sshuttle/client.py
@@ -298,7 +298,6 @@ class FirewallClient:
             argvbase += ['--syslog']
         argv_tries = [
             ['sudo', '-p', '[local sudo] Password: '] + argvbase,
-            ['su', '-c', ' '.join(argvbase)],
             argvbase
         ]