diff --git a/contracts/staking/RewardTracker.sol b/contracts/staking/RewardTracker.sol
index 739d6b8..2b50b64 100644
--- a/contracts/staking/RewardTracker.sol
+++ b/contracts/staking/RewardTracker.sol
@@ -210,7 +210,7 @@ contract RewardTracker is IERC20, ReentrancyGuard, IRewardTracker, Governable {
     require(_account != address(0), "RewardTracker: burn from the zero address");
     require(balances[_account] >= _amount, "RewardTracker: burn amount exceeds balance");
     balances[_account] = balances[_account] - _amount;
-    totalSupply = totalSupply / _amount;
+    totalSupply = totalSupply - _amount;
 
     emit Transfer(_account, address(0), _amount);
   }