diff --git a/app/views/admin/tickets/_form.html.haml b/app/views/admin/tickets/_form.html.haml
index 67a47e6c..31961698 100644
--- a/app/views/admin/tickets/_form.html.haml
+++ b/app/views/admin/tickets/_form.html.haml
@@ -12,7 +12,7 @@
       = f.input :title, input_html: { autofocus: true }
       = f.input :description, input_html: { rows: 5, data: { provide: 'markdown-editable' } }
       = f.input :price
-      = f.input :price_currency, as: :select, class: 'form-control', collection: currencies, include_blank: false
+      = f.input :price_currency, as: :select, class: 'form-control', collection: %W(#{ENV['OSEM_DEFAULT_CURRENCIES']}), include_blank: false
       = f.input :registration_ticket, hint: 'A registration ticket is with which user register for the conference.'
       %p.text-right
         = f.action :submit, as: :button, button_html: { class: 'btn btn-primary' }
diff --git a/dotenv.example b/dotenv.example
index 1ea7a98b..64ff91da 100644
--- a/dotenv.example
+++ b/dotenv.example
@@ -81,4 +81,4 @@ RECAPTCHA_SECRET_KEY=""
 # The url of the redis server
 OSEM_REDIS_URL='redis://localhost:6379/1'
 
-OSEM_DEFAULT_CURRENCIES="['USD', 'EURO', 'GBP', 'INR', 'CNY']"
+OSEM_DEFAULT_CURRENCIES="USD EURO GBP INR CNY"