1 files changed, 3 insertions, 0 deletions
diff --git a/src/types.ts b/src/types.ts
index eb83d7c2b..c7204a9fc 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -51,6 +51,9 @@ export interface ExchangeContract extends Web3.ContractInstance {
     ZRX_TOKEN_CONTRACT: {
         callAsync: () => Promise<string>;
     };
+    TOKEN_TRANSFER_PROXY_CONTRACT: {
+        callAsync: () => Promise<string>;
+    };
     getUnavailableTakerTokenAmount: {
         callAsync: (orderHash: string, defaultBlock?: Web3.BlockParam) => Promise<BigNumber.BigNumber>;
     };