diff --git a/contracts/TypedMemView.sol b/contracts/TypedMemView.sol
index 611c952..a053d2d 100644
--- a/contracts/TypedMemView.sol
+++ b/contracts/TypedMemView.sol
@@ -200,7 +200,7 @@ library TypedMemView {
         uint256 _end = end(memView);
         assembly {
             // solium-disable-previous-line security/no-inline-assembly
-            ret := not(gt(_end, mload(0x40)))
+            ret := iszero(gt(_end, mload(0x40)))
         }
     }