diff --git a/scripts/install b/scripts/install
index f4a8f63..cd9a1ce 100644
--- a/scripts/install
+++ b/scripts/install
@@ -144,7 +144,7 @@ ynh_add_nginx_config
 #=================================================
 
 # Create a system user
-ynh_system_user_create $app
+adduser $app --home $final_path --gecos "First Last,RoomNumber,WorkPhone,HomePhone" --disabled-password
 
 chown -R "$app" "$final_path"
 
diff --git a/scripts/restore b/scripts/restore
index 4716e64..a25bb6f 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -62,7 +62,7 @@ ynh_restore_file "$final_path"
 # RECREATE THE DEDICATED USER
 #=================================================
 
-ynh_system_user_create $app
+adduser $app --home $final_path --gecos "First Last,RoomNumber,WorkPhone,HomePhone" --disabled-password
 
 #=================================================
 # RESTORE USER RIGHTS
diff --git a/scripts/upgrade b/scripts/upgrade
index a9cde11..0f99bab 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -112,12 +112,6 @@ ynh_replace_string "__PORT_WEB__"    "$port_web"    "../conf/nginx.conf"
 ynh_replace_string "__PORT_STREAM__" "$port_stream" "../conf/nginx.conf"
 ynh_add_nginx_config
 
-#=================================================
-# CREATE DEDICATED USER
-#=================================================
-
-# Create a system user
-ynh_system_user_create $app
 
 # Upgrade rbenv and ruby plugins
 ynh_setup_source "$final_path/.rbenv"                    "app-rbenv"