diff --git a/pkg/networkservice/mechanisms/vlan/mtu/common.go b/pkg/networkservice/mechanisms/vlan/mtu/common.go
index 1ae02d9a..3473b4a5 100644
--- a/pkg/networkservice/mechanisms/vlan/mtu/common.go
+++ b/pkg/networkservice/mechanisms/vlan/mtu/common.go
@@ -47,5 +47,5 @@ func getMTU(ctx context.Context, vppConn api.Connection, swIfIndex interface_typ
 		WithField("details.LinkMtu", details.LinkMtu).
 		WithField("duration", time.Since(now)).
 		WithField("vppapi", "SwInterfaceDump").Debug("completed")
-	return uint32(details.LinkMtu), nil
+	return details.Mtu[0], nil
 }