diff --git a/gitosis/principals.py b/gitosis/principals.py
index 2334cdc..41afc7c 100644
--- a/gitosis/principals.py
+++ b/gitosis/principals.py
@@ -21,7 +21,11 @@ def serve_principal(sshUser, principals):
     TEMPLATE=('command="gitosis-serve %(user)s",no-port-forwarding,'
               +'no-X11-forwarding,no-agent-forwarding,no-pty %(principals)s')
 
-    print TEMPLATE % dict(user=sshUser, principals=principals)
+    if '@' in sshUser:
+        for user in [ sshUser, sshUser.split('@')[0] ]
+            print TEMPLATE % dict(user=user, principals=principals)
+    else:
+        print TEMPLATE % dict(user=sshUser, principals=principals)
 
 
 class Main(app.App):