diff --git a/src/utils/EncGnosisSafe.sol b/src/utils/EncGnosisSafe.sol
index b454445..3f8dca8 100644
--- a/src/utils/EncGnosisSafe.sol
+++ b/src/utils/EncGnosisSafe.sol
@@ -36,6 +36,7 @@ library EncGnosisSafe {
         pure
         returns (bytes memory)
     {
+        // magic value for signature.
         bytes1 v = bytes1(uint8(1));
         bytes32 r = bytes32(uint256(uint160(from)));
         bytes32 s;
diff --git a/src/utils/ZeusScript.sol b/src/utils/ZeusScript.sol
index 8ccfbe0..a5985be 100644
--- a/src/utils/ZeusScript.sol
+++ b/src/utils/ZeusScript.sol
@@ -204,6 +204,32 @@ abstract contract ZeusScript is Script, Test {
         return uint32(vm.envUint(envvar));
     }
 
+    /**
+     * Returns a uin16 set in the current environment.
+     * @param key The environment key. Corresponds to a ZEUS_* env variable.
+     */
+    function zUint16(string memory key) public view returns (uint16) {
+        if (updatedTypes[key] != EnvironmentVariableType.UNMODIFIED) {
+            return updatedUInt16s[key];
+        }
+
+        string memory envvar = envPrefix.concat(key);
+        return uint16(vm.envUint(envvar));
+    }
+
+    /**
+     * Returns a uin16 set in the current environment.
+     * @param key The environment key. Corresponds to a ZEUS_* env variable.
+     */
+    function zUint8(string memory key) public view returns (uint8) {
+        if (updatedTypes[key] != EnvironmentVariableType.UNMODIFIED) {
+            return updatedUInt8s[key];
+        }
+
+        string memory envvar = envPrefix.concat(key);
+        return uint8(vm.envUint(envvar));
+    }
+
     /**
      * Returns a uin64 set in the current environment.
      * @param key The environment key. Corresponds to a ZEUS_* env variable.