diff --git a/monkey/infection_monkey/monkey.py b/monkey/infection_monkey/monkey.py
index 6b8803a9f..fa736cfc7 100644
--- a/monkey/infection_monkey/monkey.py
+++ b/monkey/infection_monkey/monkey.py
@@ -80,8 +80,10 @@ class InfectionMonkey(object):
         self._default_tunnel = self._opts.tunnel
         self._default_server = self._opts.server
 
-        if self._opts.depth:
+        if self._opts.depth is not None:
             WormConfiguration._depth_from_commandline = True
+            WormConfiguration.depth = self._opts.depth
+
         self._keep_running = True
         self._network = NetworkScanner()
         self._dropper_path = sys.argv[0]