diff --git a/debian/rules b/debian/rules
index b85356b99..0dd8ee399 100755
--- a/debian/rules
+++ b/debian/rules
@@ -12,8 +12,8 @@ override_dh_auto_install:
 	echo $(DEB_BUILD_OPTIONS)
 	dh_auto_install
 
-	bin/frostfs-adm gendoc -t man man/
-	bin/frostfs-cli gendoc -t man man/
+	bin/frostfs-adm gendoc --type man man/
+	bin/frostfs-cli gendoc --type man man/
 
 	bin/frostfs-adm completion bash > debian/frostfs-adm.bash-completion
 	bin/frostfs-cli completion bash > debian/frostfs-cli.bash-completion
diff --git a/pkg/util/gendoc/gendoc.go b/pkg/util/gendoc/gendoc.go
index 16ebe9f98..5da211e2b 100644
--- a/pkg/util/gendoc/gendoc.go
+++ b/pkg/util/gendoc/gendoc.go
@@ -93,9 +93,9 @@ In this case there is a number of helper functions which can be used:
 	}
 
 	ff := gendocCmd.Flags()
-	ff.StringP(gendocTypeFlag, "t", gendocMarkdown, "Type for the documentation ('md' or 'man')")
+	ff.String(gendocTypeFlag, gendocMarkdown, "Type for the documentation ('md' or 'man')")
 	ff.Int(depthFlag, 1, "If template is specified, unify all commands starting from depth in a single file. Default: 1.")
-	ff.StringP(extensionFlag, "e", "", "If the template is specified, string to append to the output file names")
+	ff.String(extensionFlag, "", "If the template is specified, string to append to the output file names")
 	return gendocCmd
 }