diff --git a/YSFGateway/YSFGateway.cpp b/YSFGateway/YSFGateway.cpp
index 9b35b6b..87ed8b0 100644
--- a/YSFGateway/YSFGateway.cpp
+++ b/YSFGateway/YSFGateway.cpp
@@ -45,6 +45,7 @@ const char* DEFAULT_INI_FILE = "/etc/YSFGateway.ini";
 #include <cstdio>
 #include <cstdlib>
 #include <cstring>
+#include <clocale>
 
 int main(int argc, char** argv)
 {