--- rxvt-unicode/src/rxvtd.C	2014/05/22 18:54:33	1.61
+++ rxvt-unicode/src/rxvtd.C	2014/10/06 11:14:49	1.62
@@ -215,6 +215,8 @@
             send ("END"); send (success ? 1 : 0);
           }
         }
+      else if (!strcmp (tok, "QUIT"))
+        _exit (0);
       else
         return err ("protocol error: request '%s' unsupported.\n", (char *)tok);
     }