diff --git a/zone/worldserver.cpp b/zone/worldserver.cpp
index 4ad2267b3..09e5aa223 100644
--- a/zone/worldserver.cpp
+++ b/zone/worldserver.cpp
@@ -22,6 +22,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 #include <stdio.h>
 #include <iomanip>
 #include <stdarg.h>
+#include <limits.h>
 
 #ifdef _WINDOWS
 #include <process.h>