diff --git a/eth/ethconfig/config.go b/eth/ethconfig/config.go
index faafbc1557e6429f0b4b46881835ef5b66158f28..8a5ceb18ea450899efa3022a989ec816912025d0 100644
--- a/eth/ethconfig/config.go
+++ b/eth/ethconfig/config.go
@@ -162,6 +162,7 @@ type Config struct {
 	LightEgress        int  `toml:",omitempty"` // Outgoing bandwidth limit for light servers
 	LightPeers         int  `toml:",omitempty"` // Maximum number of LES client peers
 	LightNoPrune       bool `toml:",omitempty"` // Whether to disable light chain pruning
+	LightNoSyncServe   bool `toml:",omitempty"` // Whether to serve light clients before syncing
 	SyncFromCheckpoint bool `toml:",omitempty"` // Whether to sync the header chain from the configured checkpoint
 
 	// Ultra Light client options
diff --git a/eth/ethconfig/gen_config.go b/eth/ethconfig/gen_config.go
index cff2f84ed4404cf0d4bb4929af7b40c9561f225f..e5d224036c3004d8a80127507d42a8c12e8fb2d9 100644
--- a/eth/ethconfig/gen_config.go
+++ b/eth/ethconfig/gen_config.go
@@ -29,6 +29,8 @@ func (c Config) MarshalTOML() (interface{}, error) {
 		LightIngress            int                    `toml:",omitempty"`
 		LightEgress             int                    `toml:",omitempty"`
 		StorageMode             string
+		LightNoPrune            bool                   `toml:",omitempty"`
+		LightNoSyncServe        bool                   `toml:",omitempty"`
 		ArchiveSyncInterval     int
 		LightServ               int `toml:",omitempty"`
 		LightPeers              int `toml:",omitempty"`
@@ -112,6 +114,8 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
 		LightIngress            *int                   `toml:",omitempty"`
 		LightEgress             *int                   `toml:",omitempty"`
 		Mode                    *string
+		LightNoPrune            *bool                  `toml:",omitempty"`
+		LightNoSyncServe        *bool                  `toml:",omitempty"`
 		ArchiveSyncInterval     *int
 		LightServ               *int `toml:",omitempty"`
 		LightPeers              *int `toml:",omitempty"`