diff --git a/database/actor.go b/database/actor.go
index ab7f6dc..ce807ef 100644
--- a/database/actor.go
+++ b/database/actor.go
@@ -9,7 +9,7 @@ type Func func(db *sql.DB)
 
 type Actor struct {
 	DB         *sql.DB
-	ActionChan chan Func
+	ActionChan <-chan Func
 }
 
 func (a *Actor) Run(ctx context.Context) error {