diff --git a/cmd/gateway_system_config_sync.go b/cmd/gateway_system_config_sync.go
index dbff536f..0dfd8374 100644
--- a/cmd/gateway_system_config_sync.go
+++ b/cmd/gateway_system_config_sync.go
@@ -121,6 +121,7 @@ func seedConfigForContext(ctx context.Context, sc store.SystemConfigStore, cfg *
 	set("tts.auto", cfg.Tts.Auto)
 	set("tts.mode", cfg.Tts.Mode)
 	setInt("tts.max_length", cfg.Tts.MaxLength)
+	setInt("tts.timeout_ms", cfg.Tts.TimeoutMs)
 
 	// Cron
 	setInt("cron.max_retries", cfg.Cron.MaxRetries)
diff --git a/internal/config/config_system.go b/internal/config/config_system.go
index 3d225ece..84974c0d 100644
--- a/internal/config/config_system.go
+++ b/internal/config/config_system.go
@@ -67,6 +67,7 @@ func (c *Config) ApplySystemConfigs(configs map[string]string) {
 	str("tts.auto", &c.Tts.Auto)
 	str("tts.mode", &c.Tts.Mode)
 	integer("tts.max_length", &c.Tts.MaxLength)
+	integer("tts.timeout_ms", &c.Tts.TimeoutMs)
 
 	// Cron
 	integer("cron.max_retries", &c.Cron.MaxRetries)