diff --git a/contracts/contracts/vault/OETHVaultCore.sol b/contracts/contracts/vault/OETHVaultCore.sol
index 12b14c3041..9798d3490b 100644
--- a/contracts/contracts/vault/OETHVaultCore.sol
+++ b/contracts/contracts/vault/OETHVaultCore.sol
@@ -18,7 +18,7 @@ contract OETHVaultCore is VaultCore {
     using SafeERC20 for IERC20;
     using StableMath for uint256;
 
-    uint256 constant CLAIM_DELAY = 10 minutes;
+    uint256 public constant CLAIM_DELAY = 10 minutes;
     address public immutable weth;
     uint256 public wethAssetIndex;