diff --git a/cmd/manager.go b/cmd/manager.go
index fdde95552..b22e3a1fd 100644
--- a/cmd/manager.go
+++ b/cmd/manager.go
@@ -59,10 +59,11 @@ func init() {
 	managerCmd.PersistentFlags().StringSliceVar(&sbm.BundleCollectors, "extra-collectors", getEnvStringSlice("SUPPORT_BUNDLE_EXTRA_COLLECTORS"), "Get extra resource for the specific components e.g., harvester")
 	managerCmd.PersistentFlags().StringVar(&sbm.Description, "description", os.Getenv("SUPPORT_BUNDLE_DESCRIPTION"), "The support bundle description")
 	managerCmd.PersistentFlags().StringVar(&sbm.IssueURL, "issue-url", os.Getenv("SUPPORT_BUNDLE_ISSUE_URL"), "The support bundle issue url")
-	managerCmd.PersistentFlags().DurationVar(&sbm.NodeTimeout, "node-timeout", parseNodeTimeout(os.Getenv("SUPPORT_BUNDLE_NODE_TIMEOUT")), "The support bundle node collection time out")
+	managerCmd.PersistentFlags().DurationVar(&sbm.NodeTimeout, "node-timeout", parseDurationString(os.Getenv("SUPPORT_BUNDLE_NODE_TIMEOUT")), "The support bundle node collection time out")
 }
 
-func parseNodeTimeout(value string) time.Duration {
+// parseDurationString could parse `1s` and `10m` duration string.
+func parseDurationString(value string) time.Duration {
 	if value == "" {
 		return 0
 	}