--- a/src/lookups/mysql.c	2017-06-30 18:14:16.681819941 +0200
+++ b/src/lookups/mysql.c	2017-06-30 18:14:29.776921269 +0200
@@ -13,6 +13,7 @@ 
 #include "lf_functions.h"
 
 #include <mysql.h>       /* The system header */
+#include <mysql_version.h>
 
 
 /* Structure and anchor for caching connections. */