diff --git a/src/datatokens/Datatokens.ts b/src/datatokens/Datatokens.ts
index dea526fa..d2828479 100644
--- a/src/datatokens/Datatokens.ts
+++ b/src/datatokens/Datatokens.ts
@@ -79,7 +79,7 @@ export class DataTokens {
         )
         const trxReceipt = await datatoken.methods
             .approve(spender, this.web3.utils.toWei(amount))
-            .send()
+            .send({ from: address })
         return trxReceipt
     }