From eb957f1f98820f89a3d68fdbc0e470fa30f84af3 Mon Sep 17 00:00:00 2001
From: Daniel Von Fange <daniel@leancoder.com>
Date: Tue, 17 Dec 2024 11:56:05 -0500
Subject: [PATCH] Only empty accounts can rebaseOptIn if already rebasing

---
 contracts/contracts/token/OUSD.sol | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contracts/contracts/token/OUSD.sol b/contracts/contracts/token/OUSD.sol
index 6435c966eb..d2c2a896cc 100644
--- a/contracts/contracts/token/OUSD.sol
+++ b/contracts/contracts/token/OUSD.sol
@@ -512,7 +512,7 @@ contract OUSD is Governable {
             alternativeCreditsPerToken[_account] > 0 ||
                 // Accounts may explicitly `rebaseOptIn` regardless of
                 // accounting if they have a 0 balance.
-                balance == 0
+                creditBalances[_account] == 0
             ,
             "Account must be non-rebasing"
         );