diff --git a/pkg/compute/models/guestnetworks.go b/pkg/compute/models/guestnetworks.go
index b2cc9b7df5..bd17515f73 100644
--- a/pkg/compute/models/guestnetworks.go
+++ b/pkg/compute/models/guestnetworks.go
@@ -122,7 +122,7 @@ func (manager *SGuestnetworkManager) newGuestNetwork(ctx context.Context, userCr
 		driver = "virtio"
 	}
 	gn.Driver = driver
-	if bwLimit > 0 {
+	if bwLimit >= 0 {
 		gn.BwLimit = bwLimit
 	}
 
diff --git a/pkg/compute/models/guests.go b/pkg/compute/models/guests.go
index 2c8f06fe80..09940bd3bc 100644
--- a/pkg/compute/models/guests.go
+++ b/pkg/compute/models/guests.go
@@ -2881,8 +2881,8 @@ func (self *SGuest) PerformChangeBandwidth(ctx context.Context, userCred mcclien
 			return nil, httperrors.NewBadRequestError("Index Not fount or out of NIC index")
 		}
 		bandwidth, err := data.Int("bandwidth")
-		if err != nil || bandwidth <= 0 {
-			return nil, httperrors.NewBadRequestError("Bandwidth must be larger than 0")
+		if err != nil || bandwidth < 0 {
+			return nil, httperrors.NewBadRequestError("Bandwidth must be non-negative")
 		}
 		guestnic := &guestnics[index]
 		if guestnic.BwLimit != int(bandwidth) {