Silvershop currency

<%- if @topic_view.topic.tags.present? %>
<%= t 'js.tagging.tags' %>: <%- @topic_view.topic.tags.each do |t| %> <%= t %> <%- end %>
<% end %>

I have added this to the shop but the currency symbol does not change it stays as $ any ideas why this would be. Have flushed etc…

silverstripe 4.4
latest silvershop

ShopConfig:
base_currency: ‘GBP’
ShopCurrency:
currency_symbol: ‘£’

sorted needed this
SilverShop\ORM\FieldType\ShopCurrency: