diff --git a/apps/web/process/price/reactions/common.ts b/apps/web/process/price/reactions/common.ts
index 1683a1f..771dc21 100644
--- a/apps/web/process/price/reactions/common.ts
+++ b/apps/web/process/price/reactions/common.ts
@@ -169,28 +169,40 @@ export default function reactions({ store, apolloClient }: ProcessContext) {
             'lastPaymentPerc',
             'addEquipmentPrice',
             'importProgramSum',
+            'lastPaymentRule',
           ]),
-        ({ addEquipmentPrice, lastPaymentPerc, plPriceRub, importProgramSum }) => {
+        ({ addEquipmentPrice, lastPaymentPerc, plPriceRub, importProgramSum, lastPaymentRule }) => {
+          if (lastPaymentRule === 100_000_000) {
+            return;
+          }
+
           const rub = (lastPaymentPerc * (plPriceRub + addEquipmentPrice - importProgramSum)) / 100;
           $calculation.element('tbxLastPaymentRub').setValue(rub);
         }
       ),
-    () => $calculation.element('radioLastPaymentRule').getValue() === 100_000_000
+    () => $process.has('LoadKP')
   );
 
   makeDisposable(
     () =>
       reaction(
-        () => $calculation.element('tbxLastPaymentRub').getValue(),
-        (lastPaymentRub) => {
-          const { plPriceRub, addEquipmentPrice, importProgramSum } =
-            $calculation.$values.getValues();
+        () =>
+          $calculation.$values.getValues([
+            'plPriceRub',
+            'lastPaymentRub',
+            'addEquipmentPrice',
+            'importProgramSum',
+            'lastPaymentRule',
+          ]),
+        ({ lastPaymentRub, plPriceRub, addEquipmentPrice, importProgramSum, lastPaymentRule }) => {
+          if (lastPaymentRule === 100_000_001) {
+            return;
+          }
+
           const perc = (lastPaymentRub / (plPriceRub + addEquipmentPrice - importProgramSum)) * 100;
           $calculation.element('tbxLastPaymentPerc').setValue(perc);
         }
       ),
-    () =>
-      $process.has('LoadKP') ||
-      $calculation.element('radioLastPaymentRule').getValue() === 100_000_001
+    () => $process.has('LoadKP')
   );
 }