diff --git a/packages/frontend/src/state/lp/hooks.ts b/packages/frontend/src/state/lp/hooks.ts
index c8bd17f547..373c7fdb3b 100644
--- a/packages/frontend/src/state/lp/hooks.ts
+++ b/packages/frontend/src/state/lp/hooks.ts
@@ -92,7 +92,7 @@ export const useOpenPositionDeposit = () => {
         .times(normFactor)
         .times(ethIndexPrice)
         .div(INDEX_SCALE)
-        .minus(vaultCollateralAmt.plus(collateralToMint).minus(collateralToWithdraw))
+        .minus(vaultCollateralAmt)
       const collateralToMintPos = BigNumber.max(collateralToMint, 0)
       const flashLoanAmountPos = BigNumber.max(flashLoanAmount, 0)