diff --git a/internal/pool/pool.go b/internal/pool/pool.go
index 06703ea..5c3ed47 100644
--- a/internal/pool/pool.go
+++ b/internal/pool/pool.go
@@ -88,6 +88,9 @@ func (p *pool) Default(ctx context.Context) *tg.Client {
 }
 
 func (p *pool) Close() (err error) {
-	return p.close()
 
+	if p.close != nil {
+		return p.close()
+	}
+	return nil
 }