1 files changed, 2 insertions, 4 deletions
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibMath.sol b/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibMath.sol
index f4e2f1958..1c14dbcae 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibMath.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibMath.sol
@@ -141,10 +141,8 @@ contract LibMath is
             return false;
         }
         uint256 remainder = mulmod(target, numerator, denominator);
-        if (remainder == 0) {
-            return false;
-        }
-        remainder = safeSub(denominator, remainder);
+        // TODO: safeMod
+        remainder = safeSub(denominator, remainder) % denominator;
         isError = safeMul(1000, remainder) >= safeMul(numerator, target);
         return isError;
     }