diff --git a/src/GUI.cpp b/src/GUI.cpp
index 4b5ab5011..d5429c1fe 100644
--- a/src/GUI.cpp
+++ b/src/GUI.cpp
@@ -68,7 +68,7 @@
 
 #ifdef W_WS_WIN
 #include <windows.h>
-#include <lmcons.h>
+const int UNLEN = 256;
 #endif
 
 using namespace libtorrent;
diff --git a/src/main.cpp b/src/main.cpp
index 7c87e941b..86fb8efae 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -58,7 +58,7 @@
 #include "stacktrace.h"
 #else
 #include <windows.h>
-#include <lmcons.h>
+const int UNLEN = 256;
 #endif
 
 #include <stdlib.h>