diff --git a/apps/web/process/price/reactions/common.ts b/apps/web/process/price/reactions/common.ts
index 3f687dd..748f3e6 100644
--- a/apps/web/process/price/reactions/common.ts
+++ b/apps/web/process/price/reactions/common.ts
@@ -101,7 +101,8 @@ export default function reactions({ store, apolloClient }: ProcessContext) {
     }
   );
 
-  reaction(
+  disposableReaction(
+    () => $process.has('LoadKP'),
     () =>
       $calculation.$values.getValues([
         'firstPaymentPerc',