diff --git a/doc/man_docs.go b/doc/man_docs.go
index 74b284d..ce92332 100644
--- a/doc/man_docs.go
+++ b/doc/man_docs.go
@@ -190,6 +190,9 @@ func manPrintOptions(buf *bytes.Buffer, command *cobra.Command) {
 }
 
 func genMan(cmd *cobra.Command, header *GenManHeader) []byte {
+	cmd.InitDefaultHelpCmd()
+	cmd.InitDefaultHelpFlag()
+
 	// something like `rootcmd-subcmd1-subcmd2`
 	dashCommandName := strings.Replace(cmd.CommandPath(), " ", "-", -1)
 
diff --git a/doc/md_docs.go b/doc/md_docs.go
index 9bbfa36..68cf5bf 100644
--- a/doc/md_docs.go
+++ b/doc/md_docs.go
@@ -52,6 +52,9 @@ func GenMarkdown(cmd *cobra.Command, w io.Writer) error {
 
 // GenMarkdownCustom creates custom markdown output.
 func GenMarkdownCustom(cmd *cobra.Command, w io.Writer, linkHandler func(string) string) error {
+	cmd.InitDefaultHelpCmd()
+	cmd.InitDefaultHelpFlag()
+
 	buf := new(bytes.Buffer)
 	name := cmd.CommandPath()
 
diff --git a/doc/yaml_docs.go b/doc/yaml_docs.go
index 54c244d..ea00af0 100644
--- a/doc/yaml_docs.go
+++ b/doc/yaml_docs.go
@@ -89,6 +89,9 @@ func GenYaml(cmd *cobra.Command, w io.Writer) error {
 
 // GenYamlCustom creates custom yaml output.
 func GenYamlCustom(cmd *cobra.Command, w io.Writer, linkHandler func(string) string) error {
+	cmd.InitDefaultHelpCmd()
+	cmd.InitDefaultHelpFlag()
+
 	yamlDoc := cmdDoc{}
 	yamlDoc.Name = cmd.CommandPath()