diff --git a/cmd/mi-init/main.go b/cmd/mi-init/main.go
index 2dac75b..416feba 100644
--- a/cmd/mi-init/main.go
+++ b/cmd/mi-init/main.go
@@ -55,4 +55,6 @@ func main() {
 	if result != nil {
 		log.Fatal(result)
 	}
+
+	r.DB("mi").Table("switches").IndexCreate("started_at").Exec(session)
 }