diff --git a/data/helpers.d/user b/data/helpers.d/user
index 47e6eb88a..4a2e7c55d 100644
--- a/data/helpers.d/user
+++ b/data/helpers.d/user
@@ -2,22 +2,35 @@
 #
 # example: ynh_user_exists 'toto' || exit 1
 #
-# usage: ynh_user_exists username
-# | arg: username - the username to check
+# usage: ynh_user_exists --username=username
+# | arg: -u, --username - the username to check
 ynh_user_exists() {
-    sudo yunohost user list --output-as json | grep -q "\"username\": \"${1}\""
+    # Declare an array to define the options of this helper.
+    declare -Ar args_array=( [u]=username= )
+    local username
+    # Manage arguments with getopts
+    ynh_handle_getopts_args "$@"
+
+    sudo yunohost user list --output-as json | grep -q "\"username\": \"${username}\""
 }
 
 # Retrieve a YunoHost user information
 #
 # example: mail=$(ynh_user_get_info 'toto' 'mail')
 #
-# usage: ynh_user_get_info username key
-# | arg: username - the username to retrieve info from
-# | arg: key - the key to retrieve
+# usage: ynh_user_get_info --username=username --key=key
+# | arg: -u, --username - the username to retrieve info from
+# | arg: -k, --key - the key to retrieve
 # | ret: string - the key's value
 ynh_user_get_info() {
-    sudo yunohost user info "$1" --output-as plain | ynh_get_plain_key "$2"
+    # Declare an array to define the options of this helper.
+    declare -Ar args_array=( [u]=username= [k]=key= )
+    local username
+    local key
+    # Manage arguments with getopts
+    ynh_handle_getopts_args "$@"
+
+    sudo yunohost user info "$username" --output-as plain | ynh_get_plain_key "$key"
 }
 
 # Get the list of YunoHost users
@@ -33,39 +46,58 @@ ynh_user_list() {
 
 # Check if a user exists on the system
 #
-# usage: ynh_system_user_exists username
-# | arg: username - the username to check
+# usage: ynh_system_user_exists --username=username
+# | arg: -u, --username - the username to check
 ynh_system_user_exists() {
-    getent passwd "$1" &>/dev/null
+    # Declare an array to define the options of this helper.
+    declare -Ar args_array=( [u]=username= )
+    local username
+    # Manage arguments with getopts
+    ynh_handle_getopts_args "$@"
+
+    getent passwd "$username" &>/dev/null
 }
 
 # Create a system user
 #
-# usage: ynh_system_user_create user_name [home_dir]
-# | arg: user_name - Name of the system user that will be create
-# | arg: home_dir - Path of the home dir for the user. Usually the final path of the app. If this argument is omitted, the user will be created without home
+# usage: ynh_system_user_create --username=user_name [--home_dir=home_dir]
+# | arg: -u, --username - Name of the system user that will be create
+# | arg: -h, --home_dir - Path of the home dir for the user. Usually the final path of the app. If this argument is omitted, the user will be created without home
 ynh_system_user_create () {
-	if ! ynh_system_user_exists "$1"	# Check if the user exists on the system
+	# Declare an array to define the options of this helper.
+	declare -Ar args_array=( [u]=username= [h]=home_dir= )
+	local username
+	local home_dir
+	# Manage arguments with getopts
+	ynh_handle_getopts_args "$@"
+
+	if ! ynh_system_user_exists "$username"	# Check if the user exists on the system
 	then	# If the user doesn't exist
 		if [ $# -ge 2 ]; then	# If a home dir is mentioned
-			local user_home_dir="-d $2"
+			local user_home_dir="-d $home_dir"
 		else
 			local user_home_dir="--no-create-home"
 		fi
-		sudo useradd $user_home_dir --system --user-group $1 --shell /usr/sbin/nologin || ynh_die "Unable to create $1 system account"
+		sudo useradd $user_home_dir --system --user-group $username --shell /usr/sbin/nologin || ynh_die "Unable to create $username system account"
 	fi
 }
 
 # Delete a system user
 #
-# usage: ynh_system_user_delete user_name
-# | arg: user_name - Name of the system user that will be create
+# usage: ynh_system_user_delete --username=user_name
+# | arg: -u, --username - Name of the system user that will be create
 ynh_system_user_delete () {
-    if ynh_system_user_exists "$1"	# Check if the user exists on the system
+    # Declare an array to define the options of this helper.
+    declare -Ar args_array=( [u]=username= )
+    local username
+    # Manage arguments with getopts
+    ynh_handle_getopts_args "$@"
+
+    if ynh_system_user_exists "$username"	# Check if the user exists on the system
     then
-		echo "Remove the user $1" >&2
-		sudo userdel $1
+		echo "Remove the user $username" >&2
+		sudo userdel $username
 	else
-		echo "The user $1 was not found" >&2
+		echo "The user $username was not found" >&2
     fi
 }