diff --git a/src/client/stores/CalculationStore/Effects/actions/calculate/prepareData.ts b/src/client/stores/CalculationStore/Effects/actions/calculate/prepareData.ts
index 848a9f3..d2fa480 100644
--- a/src/client/stores/CalculationStore/Effects/actions/calculate/prepareData.ts
+++ b/src/client/stores/CalculationStore/Effects/actions/calculate/prepareData.ts
@@ -232,7 +232,8 @@ export default function (this: ICalculationStore): PreparedData {
 
   //@ts-ignore
   const importProgramSum = this.importProgramSum();
-  preparedValues.importProgramSum = importProgramSum;
+  preparedValues.importProgramSum =
+    importProgramSum / (1 + valuesConstants.VAT);
 
   preparedValues.discount =
     convertPrice(