From 79f7828bb96c76524c3e07e8fd87a713695ea916 Mon Sep 17 00:00:00 2001
From: MoonBoi9001 <samuelametcalfe@yahoo.co.uk>
Date: Thu, 19 Sep 2024 18:28:37 +0100
Subject: [PATCH] fix: reorder parameter use in mulPPM function call in
 mulPPMRoundUp. (OZ N-12)

---
 packages/horizon/contracts/libraries/PPMMath.sol | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/horizon/contracts/libraries/PPMMath.sol b/packages/horizon/contracts/libraries/PPMMath.sol
index 5bd636add..38b653954 100644
--- a/packages/horizon/contracts/libraries/PPMMath.sol
+++ b/packages/horizon/contracts/libraries/PPMMath.sol
@@ -42,7 +42,7 @@ library PPMMath {
      */
     function mulPPMRoundUp(uint256 a, uint256 b) internal pure returns (uint256) {
         require(isValidPPM(b), PPMMathInvalidPPM(b));
-        return a - mulPPM(MAX_PPM - b, a);
+        return a - mulPPM(a, MAX_PPM - b);
     }
 
     /**