diff --git a/chaos_monkey/exploit/wmiexec.py b/chaos_monkey/exploit/wmiexec.py
index 4c2f0afdf..28dab01f3 100644
--- a/chaos_monkey/exploit/wmiexec.py
+++ b/chaos_monkey/exploit/wmiexec.py
@@ -85,6 +85,8 @@ class WmiExploiter(HostExploiter):
             else:
                 cmdline = MONKEY_CMDLINE % {'monkey_path': remote_full_path}
 
+            cmdline += " -p " + self._guid
+
             if host.default_tunnel:
                 cmdline += " -t " + host.default_tunnel
             if host.default_server: