diff --git a/src/IKontrolCheatsBase.sol b/src/IKontrolCheatsBase.sol
index a5a1122..bc6d2cf 100644
--- a/src/IKontrolCheatsBase.sol
+++ b/src/IKontrolCheatsBase.sol
@@ -30,7 +30,7 @@ interface KontrolCheatsBase {
     // Returns a symbolic unsigned integer
     function freshUInt(uint8) external view returns (uint256);
     // Returns a symbolic boolean value
-    function freshBool() external view returns (uint256);
+    function freshBool() external view returns (bool);
     // Returns a symbolic byte array
     function freshBytes(uint256) external view returns (bytes memory);
     // Returns a symbolic address