Updated CHANGELOG.md

internetee · Oct 3, 2023 · 20dd41e · 20dd41e
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,5 @@
 03.10.2023
-* Added Balance element to InvoiceSumGroup
+* Added Balance element to InvoiceSumGroup [#41] (https://github.com/internetee/e_invoice/pull/41)
 
 26.09.2023
 * Updated wsdl test address [#36](https://github.com/internetee/e_invoice/pull/36)

diff --git a/lib/e_invoice/generator.rb b/lib/e_invoice/generator.rb
@@ -210,7 +210,7 @@ def build_footer(e_invoice)
     end
 
     def format_decimal(decimal, scale: 2)
-      format("%.#{scale}f", decimal)
+      format("%.#{scale}f", decimal) if decimal
     end
   end
 end