diff --git a/app/pdf/receipt_bill_pdf.rb b/app/pdf/receipt_bill_pdf.rb
index 7cf00ed9..92f2e3c9 100755
--- a/app/pdf/receipt_bill_pdf.rb
+++ b/app/pdf/receipt_bill_pdf.rb
@@ -93,7 +93,7 @@ class ReceiptBillPdf < Prawn::Document
 
         sign(sale_data)
 
-        if shop_details.note != nil
+        if shop_details.note && !shop_details.note.nil?
              shop_note(shop_details)
         end