diff --git a/src/server/mysql.c b/src/server/mysql.c
--- a/src/server/mysql.c
+++ b/src/server/mysql.c
@@ -18,6 +18,8 @@
 
 */
 
+#include "common/config.h"
+
 #include "mysql.h"
 #include <mysql/mysql.h>