--- a/rollbot.py	Wed Apr 04 00:25:23 2018 +0800
+++ b/rollbot.py	Wed Apr 04 00:25:43 2018 +0800
@@ -204,8 +204,9 @@
         mbody = mbody.lstrip(':, ')
         rbody, rxbody = self.respond(mbody)
         if rbody:
-            rbody = '%s: %s' % (msg['mucnick'], rbody)
-            rxbody = '%s: %s' % (cgi.escape(msg['mucnick']), rxbody)
+            if not rbody.startswith('/me '):
+                rbody = '%s: %s' % (msg['mucnick'], rbody)
+                rxbody = '%s: %s' % (cgi.escape(msg['mucnick']), rxbody)
             msg.reply(rbody)
             msg['html'] = rxbody
             msg.send()