diff --git a/src/client/process/bonuses/reactions.ts b/src/client/process/bonuses/reactions.ts
index 6ee2535..11dbccb 100644
--- a/src/client/process/bonuses/reactions.ts
+++ b/src/client/process/bonuses/reactions.ts
@@ -98,7 +98,11 @@ export default function ($calculation: ICalculationStore) {
           );
         const max_sale_bonus =
           (evo_coefficient_bonus?.evo_sot_coefficient || 0) * 100;
-        $calculation.setValue('bonusCoefficient', saleBonus / max_sale_bonus);
+        if (max_sale_bonus) {
+          $calculation.setValue('bonusCoefficient', saleBonus / max_sale_bonus);
+        } else {
+          $calculation.setValue('bonusCoefficient', 0);
+        }
       } else {
         $calculation.setValue('bonusCoefficient', 1);
       }
diff --git a/src/client/stores/CalculationStore/config/initialFilters.ts b/src/client/stores/CalculationStore/config/initialFilters.ts
index fc91160..3b4cfda 100644
--- a/src/client/stores/CalculationStore/config/initialFilters.ts
+++ b/src/client/stores/CalculationStore/config/initialFilters.ts
@@ -12,7 +12,7 @@ const initialFilters: Partial<Record<ElementsNames, TElementFilter>> = {
 
 export const noResetValueElements: ElementsNames[] = [
   'selectTechnicalCard',
-  // 'selectTownRegistration',
+  'selectTownRegistration',
 ];
 export const autoSetValuesElements: ElementsNames[] = [
   'selectProduct',