diff --git a/monkey/infection_monkey/network/tools.py b/monkey/infection_monkey/network/tools.py
index 43dd7286c..84d4a4ad4 100644
--- a/monkey/infection_monkey/network/tools.py
+++ b/monkey/infection_monkey/network/tools.py
@@ -128,10 +128,9 @@ def check_tcp_ports(ip, ports, timeout=DEFAULT_TIMEOUT, get_banner=False):
 
         if len(possible_ports) != 0:
             timeout = int(round(timeout))  # clamp to integer, to avoid checking input
-            time_left = timeout
             sockets_to_try = possible_ports[:]
             connected_ports_sockets = []
-            while (time_left >= 0) and len(sockets_to_try):
+            while (timeout >= 0) and len(sockets_to_try):
                 sock_objects = [s[1] for s in sockets_to_try]
 
                 _, writeable_sockets, _ = select.select(sock_objects, sock_objects, sock_objects, 0)