diff --git a/packages/protocol/contracts/tokenvault/ERC20Vault.sol b/packages/protocol/contracts/tokenvault/ERC20Vault.sol
index fcf0804c051..daa2820b4e7 100644
--- a/packages/protocol/contracts/tokenvault/ERC20Vault.sol
+++ b/packages/protocol/contracts/tokenvault/ERC20Vault.sol
@@ -177,7 +177,7 @@ contract ERC20Vault is BaseVault {
                     || keccak256(bytes(ctoken.name)) != keccak256(bytes(_ctoken.name))
             ) revert VAULT_CTOKEN_MISMATCH();
 
-            delete bridgedToCanonical[_btokenNew];
+            delete bridgedToCanonical[btokenOld_];
             btokenBlacklist[btokenOld_] = true;
 
             // Start the migration