diff --git a/src/App.tsx b/src/App.tsx
index dbd38ca..95a46dd 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -279,7 +279,7 @@ export default function App() {
         const S_next = getS({ R, V0, k });
         const floorprice_next = getMinPrice({
           S: S_next,
-          H: S0 - H_next,
+          H: S_next - H_next,
           V0,
           k
         });