1 files changed, 1 insertions, 1 deletions
diff --git a/packages/contract-wrappers/src/contract_wrappers/erc721_token_wrapper.ts b/packages/contract-wrappers/src/contract_wrappers/erc721_token_wrapper.ts
index 6f6b4f716..1133a4085 100644
--- a/packages/contract-wrappers/src/contract_wrappers/erc721_token_wrapper.ts
+++ b/packages/contract-wrappers/src/contract_wrappers/erc721_token_wrapper.ts
@@ -350,7 +350,7 @@ export class ERC721TokenWrapper extends ContractWrapper {
             );
             if (!isApprovedForAll) {
                 const approvedAddress = await this.getApprovedIfExistsAsync(normalizedTokenAddress, tokenId);
-                if (approvedAddress !== senderAddress) {
+                if (approvedAddress !== normalizedSenderAddress) {
                     throw new Error(ContractWrappersError.ERC721NoApproval);
                 }
             }