diff --git a/src/Gatekeeper.sol b/src/Gatekeeper.sol
index b7ef01c..c7d5fa0 100644
--- a/src/Gatekeeper.sol
+++ b/src/Gatekeeper.sol
@@ -66,7 +66,7 @@ contract Gatekeeper is IGatekeeper, IGatekeeperMetadata {
 
         if (_incorrectSignature(rx, s, message)) revert WrongSignature();
         ghostedSupply -= amount;
-        _metadata.amountIn += uint104(amount); // forge-lint: disable-line(unsafe-typecast)
+        _metadata.amountOut += uint104(amount); // forge-lint: disable-line(unsafe-typecast)
         emit Materialized(receiver, amount);
     }