diff --git a/resources/views/components/documents/script.blade.php b/resources/views/components/documents/script.blade.php
index f433150ec..3042802d1 100644
--- a/resources/views/components/documents/script.blade.php
+++ b/resources/views/components/documents/script.blade.php
@@ -10,7 +10,7 @@
 
 <script type="text/javascript">
     var document_items = {!! $document_items !!};
-    var document_default_currency = {{ $currency_code }};
+    var document_default_currency = '{{ $currency_code }}';
     var document_currencies = {!! $currencies !!};
     var document_taxes = {!! $taxes !!};
 </script>