diff --git a/src/add-ons/mail_daemon/inbound_protocols/pop3/pop3.cpp b/src/add-ons/mail_daemon/inbound_protocols/pop3/pop3.cpp
index f326241831..6acfbf97a6 100644
--- a/src/add-ons/mail_daemon/inbound_protocols/pop3/pop3.cpp
+++ b/src/add-ons/mail_daemon/inbound_protocols/pop3/pop3.cpp
@@ -158,7 +158,7 @@ POP3Protocol::Open(const char *server, int port, int)
 			#ifdef BONE
 				close(conn);
 			#else
-				closesocket(net);
+				closesocket(conn);
 			#endif
 			runner->Stop(true);
 			return B_ERROR;