diff --git a/contracts/finance/BatcherConfidential.sol b/contracts/finance/BatcherConfidential.sol
index 3a919109..368d8c39 100644
--- a/contracts/finance/BatcherConfidential.sol
+++ b/contracts/finance/BatcherConfidential.sol
@@ -5,11 +5,12 @@ pragma solidity ^0.8.27;
 import {FHE, externalEuint64, euint64, ebool, euint128} from "@fhevm/solidity/lib/FHE.sol";
 import {IERC20} from "@openzeppelin/contracts/interfaces/IERC20.sol";
 import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
+import {ERC165Checker} from "@openzeppelin/contracts/utils/introspection/ERC165Checker.sol";
 import {Math} from "@openzeppelin/contracts/utils/math/Math.sol";
 import {SafeCast} from "@openzeppelin/contracts/utils/math/SafeCast.sol";
 import {ReentrancyGuardTransient} from "@openzeppelin/contracts/utils/ReentrancyGuardTransient.sol";
 import {IERC7984Receiver} from "./../interfaces/IERC7984Receiver.sol";
-import {ERC7984ERC20Wrapper} from "./../token/ERC7984/extensions/ERC7984ERC20Wrapper.sol";
+import {ERC7984ERC20Wrapper, IERC7984ERC20Wrapper} from "./../token/ERC7984/extensions/ERC7984ERC20Wrapper.sol";
 import {FHESafeMath} from "./../utils/FHESafeMath.sol";
 
 /**
@@ -97,7 +98,19 @@ abstract contract BatcherConfidential is ReentrancyGuardTransient, IERC7984Recei
     /// @dev The caller is not authorized to call this function.
     error Unauthorized();
 
+    /// @dev The given `token` does not support `IERC7984ERC20Wrapper` via `ERC165`.
+    error InvalidWrapperToken(address token);
+
     constructor(ERC7984ERC20Wrapper fromToken_, ERC7984ERC20Wrapper toToken_) {
+        require(
+            ERC165Checker.supportsInterface(address(fromToken_), type(IERC7984ERC20Wrapper).interfaceId),
+            InvalidWrapperToken(address(fromToken_))
+        );
+        require(
+            ERC165Checker.supportsInterface(address(toToken_), type(IERC7984ERC20Wrapper).interfaceId),
+            InvalidWrapperToken(address(toToken_))
+        );
+
         _fromToken = fromToken_;
         _toToken = toToken_;
         _currentBatchId = 1;
diff --git a/test/finance/BatcherConfidential.test.ts b/test/finance/BatcherConfidential.test.ts
index 6dceaf22..43862650 100644
--- a/test/finance/BatcherConfidential.test.ts
+++ b/test/finance/BatcherConfidential.test.ts
@@ -105,6 +105,36 @@ describe('BatcherConfidential', function () {
     });
   });
 
+  it('should reject invalid fromToken', async function () {
+    const confidentialToken = await ethers.deployContract('$ERC7984Mock', ['Mock Token', 'MTK', 'URI']);
+
+    await expect(
+      ethers.deployContract('$BatcherConfidentialSwapMock', [
+        confidentialToken,
+        this.toToken,
+        this.exchange,
+        this.operator,
+      ]),
+    )
+      .to.be.revertedWithCustomError(this.batcher, 'InvalidWrapperToken')
+      .withArgs(confidentialToken.target);
+  });
+
+  it('should reject invalid toToken', async function () {
+    const confidentialToken = await ethers.deployContract('$ERC7984Mock', ['Mock Token', 'MTK', 'URI']);
+
+    await expect(
+      ethers.deployContract('$BatcherConfidentialSwapMock', [
+        this.fromToken,
+        confidentialToken,
+        this.exchange,
+        this.operator,
+      ]),
+    )
+      .to.be.revertedWithCustomError(this.batcher, 'InvalidWrapperToken')
+      .withArgs(confidentialToken.target);
+  });
+
   for (const viaCallback of [true, false]) {
     describe(`join ${viaCallback ? 'via callback' : 'directly'}`, async function () {
       const join = async function (