diff --git a/src/FiscalIntegration/CleanCash/CommerceRuntime/DocumentProvider.CleanCashSample/DocumentBuilders/DocumentBuilder.cs b/src/FiscalIntegration/CleanCash/CommerceRuntime/DocumentProvider.CleanCashSample/DocumentBuilders/DocumentBuilder.cs
index 060f579ab9..87365e56a0 100644
--- a/src/FiscalIntegration/CleanCash/CommerceRuntime/DocumentProvider.CleanCashSample/DocumentBuilders/DocumentBuilder.cs
+++ b/src/FiscalIntegration/CleanCash/CommerceRuntime/DocumentProvider.CleanCashSample/DocumentBuilders/DocumentBuilder.cs
@@ -54,6 +54,7 @@ public DocumentBuilder(GetFiscalDocumentDocumentProviderRequest request)
 
                 this.request = request;
                 this.salesOrder = request.SalesOrder;
+                swedishCulture.NumberFormat.NegativeSign = "-";	
             }
 
             /// <summary>
@@ -106,4 +107,4 @@ private string GetVATStrValue(Dictionary<int, CleanCashTaxLine> cleanCashTaxLine
             }
         }
     }
-}
\ No newline at end of file
+}