diff --git a/config_panel.toml b/config_panel.toml
index 7acd999..0969d0d 100644
--- a/config_panel.toml
+++ b/config_panel.toml
@@ -29,5 +29,6 @@ services = [ 'php8.3-fpm']
       [main.export.csv_sep]
       ask.en = "Separator for data export in csv format"
       ask.fr = "Séparateur pour l'export des données au format csv"
-      type = "string"
+      type = "tags"
+      choices = [";",","]
       default = ";"
\ No newline at end of file