diff --git a/pkg/compute/models/guest_actions.go b/pkg/compute/models/guest_actions.go
index abcc89a352..433e94cca0 100644
--- a/pkg/compute/models/guest_actions.go
+++ b/pkg/compute/models/guest_actions.go
@@ -1727,7 +1727,7 @@ func (self *SGuest) PerformChangeConfig(ctx context.Context, userCred mcclient.T
 	}
 
 	provider, e := self.GetHost().GetProviderFactory()
-	if e != nil || !provider.IsOnPremise() {
+	if e != nil || provider.IsOnPremise() {
 		for storageId, needSize := range diskSizes {
 			iStorage, err := StorageManager.FetchById(storageId)
 			if err != nil {