diff --git a/models/abstract/ont.go b/models/abstract/ont.go
index bfd6d60..6a058a0 100644
--- a/models/abstract/ont.go
+++ b/models/abstract/ont.go
@@ -21,7 +21,7 @@
 */
 type Ont struct {
 	Number int
-	Svlan  int
-	Cvlan  int
+	Svlan  uint32
+	Cvlan  uint32
 	Parent *Port `json:"-"`
 }