diff --git a/include/proxysql_admin.h b/include/proxysql_admin.h
index aa4e5cb78..f1f645e4b 100644
--- a/include/proxysql_admin.h
+++ b/include/proxysql_admin.h
@@ -2,6 +2,7 @@
 #define __CLASS_PROXYSQL_ADMIN_H
 #include "proxysql.h"
 #include "cpp.h"
+#include <vector>
 
 typedef struct { uint32_t hash; uint32_t key; } t_symstruct;