diff --git a/vlib/db/mysql/consts.c.v b/vlib/db/mysql/consts.c.v
index fcbeaa626a..4d028abe41 100644
--- a/vlib/db/mysql/consts.c.v
+++ b/vlib/db/mysql/consts.c.v
@@ -2,11 +2,25 @@ module mysql
 
 // MySQL refresh flags.
 // Docs: https://dev.mysql.com/doc/c-api/8.0/en/mysql-refresh.html
-pub const refresh_grant = u32(C.REFRESH_GRANT)
-pub const refresh_log = u32(C.REFRESH_LOG)
-pub const refresh_tables = u32(C.REFRESH_TABLES)
-pub const refresh_hosts = u32(C.REFRESH_HOSTS)
-pub const refresh_status = u32(C.REFRESH_STATUS)
-pub const refresh_threads = u32(C.REFRESH_THREADS)
-pub const refresh_slave = u32(C.REFRESH_SLAVE)
-pub const refresh_master = u32(C.REFRESH_MASTER)
+// /usr/include/mysql/mysql_com.h
+pub const refresh_grant = u32(0x1)
+pub const refresh_log = u32(0x2)
+pub const refresh_tables = u32(0x4)
+pub const refresh_hosts = u32(0x8)
+pub const refresh_status = u32(0x10)
+pub const refresh_threads = u32(0x20)
+pub const refresh_replica = u32(0x40)
+pub const refresh_slave = u32(0x40) // same as refresh_replica
+pub const refresh_master = u32(0x80)
+pub const refresh_error_log = u32(0x100)
+pub const refresh_engine_log = u32(0x200)
+pub const refresh_binary_log = u32(0x400)
+pub const refresh_relay_log = u32(0x800)
+pub const refresh_general_log = u32(0x1000)
+pub const refresh_slow_log = u32(0x2000)
+pub const refresh_read_lock = u32(0x4000)
+pub const refresh_fast = u32(0x8000)
+pub const refresh_user_resources = u32(0x80000)
+pub const refresh_for_export = u32(0x100000)
+pub const refresh_optimizer_costs = u32(0x200000)
+pub const refresh_persist = u32(0x400000)