diff --git a/include/config-win.h b/include/config-win.h
index 279be7aa5e4..57c2b021831 100644
--- a/include/config-win.h
+++ b/include/config-win.h
@@ -33,6 +33,7 @@ functions */
 #include <io.h>
 #include <malloc.h>
 
+#define BIG_TABLES 1
 #define HAVE_SMEM 1
 
 #if defined(_WIN64) || defined(WIN64)