diff --git a/monkey/infection_monkey/exploit/log4shell_utils/ldap_server.py b/monkey/infection_monkey/exploit/log4shell_utils/ldap_server.py
index e6efac5ff..f0acac141 100644
--- a/monkey/infection_monkey/exploit/log4shell_utils/ldap_server.py
+++ b/monkey/infection_monkey/exploit/log4shell_utils/ldap_server.py
@@ -89,4 +89,7 @@ class LDAPExploitServer:
         reactor.run(installSignalHandlers=0)
 
     def stop(self):
-        reactor.stop()
+        # Since `reactor.run()` may not be running on the main thread, reactor.stop() must be
+        # invoked with reactor.callFromThread()
+        # https://twistedmatrix.com/documents/12.2.0/core/howto/threading.html
+        reactor.callFromThread(reactor.stop)