diff --git a/pkg/cloudprovider/backup_service.go b/pkg/cloudprovider/backup_service.go
index a48c4e01f..6543043d4 100644
--- a/pkg/cloudprovider/backup_service.go
+++ b/pkg/cloudprovider/backup_service.go
@@ -68,8 +68,8 @@ type BackupGetter interface {
 
 const (
 	metadataFileFormatString   = "%s/ark-backup.json"
-	backupFileFormatString     = "%s/%s-data.tar.gz"
-	backukpLogFileFormatString = "%s/%s-logs.gz"
+	backupFileFormatString     = "%s/%s.tar.gz"
+	backupLogFileFormatString  = "%s/%s-logs.gz"
 	restoreLogFileFormatString = "%s/restore-%s-logs.gz"
 )
 
@@ -82,7 +82,7 @@ func getBackupContentsKey(backup string) string {
 }
 
 func getBackupLogKey(backup string) string {
-	return fmt.Sprintf(backukpLogFileFormatString, backup, backup)
+	return fmt.Sprintf(backupLogFileFormatString, backup, backup)
 }
 
 func getRestoreLogKey(backup, restore string) string {
diff --git a/pkg/cloudprovider/backup_service_test.go b/pkg/cloudprovider/backup_service_test.go
index 45aea8d48..455636393 100644
--- a/pkg/cloudprovider/backup_service_test.go
+++ b/pkg/cloudprovider/backup_service_test.go
@@ -88,7 +88,7 @@ func TestUploadBackup(t *testing.T) {
 				objStore.On("PutObject", bucket, backupName+"/ark-backup.json", test.metadata).Return(test.metadataError)
 			}
 			if test.backup != nil {
-				objStore.On("PutObject", bucket, backupName+"/"+backupName+"-data.tar.gz", test.backup).Return(test.backupError)
+				objStore.On("PutObject", bucket, backupName+"/"+backupName+".tar.gz", test.backup).Return(test.backupError)
 			}
 			if test.log != nil {
 				objStore.On("PutObject", bucket, backupName+"/"+backupName+"-logs.gz", test.log).Return(test.logError)
@@ -116,7 +116,7 @@ func TestDownloadBackup(t *testing.T) {
 	o := &testutil.ObjectStorageAdapter{}
 	bucket := "b"
 	backup := "bak"
-	o.On("GetObject", bucket, backup+"/"+backup+"-data.tar.gz").Return(ioutil.NopCloser(strings.NewReader("foo")), nil)
+	o.On("GetObject", bucket, backup+"/"+backup+".tar.gz").Return(ioutil.NopCloser(strings.NewReader("foo")), nil)
 	s := NewBackupService(o)
 	rc, err := s.DownloadBackup(bucket, backup)
 	require.NoError(t, err)