diff --git a/src/chains/ethereum/ethereum/src/api.ts b/src/chains/ethereum/ethereum/src/api.ts
index 0ffb4c3b35..83a8ca9c0e 100644
--- a/src/chains/ethereum/ethereum/src/api.ts
+++ b/src/chains/ethereum/ethereum/src/api.ts
@@ -687,7 +687,7 @@ export default class EthereumApi implements Api {
    */
   @assertArgLength(1)
   async web3_sha3(data: DATA) {
-    return Data.from(keccak(Buffer.from(data)));
+    return Data.from(keccak(Data.from(data).toBuffer()));
   }
   //#endregion
 
diff --git a/src/chains/ethereum/ethereum/tests/api/web3/web3.test.ts b/src/chains/ethereum/ethereum/tests/api/web3/web3.test.ts
index 8ac8da5260..54b28f8da5 100644
--- a/src/chains/ethereum/ethereum/tests/api/web3/web3.test.ts
+++ b/src/chains/ethereum/ethereum/tests/api/web3/web3.test.ts
@@ -19,12 +19,12 @@ describe("api", () => {
     });
 
     it("web3_sha should hash the given input", async () => {
-      const input = "Tim is a swell guy.";
-      const result = await provider.send("web3_sha3", [input]);
+      const input = Buffer.from("hello world", "utf-8").toString("hex");
+      const result = await provider.send("web3_sha3", [`0x${input}`]);
 
       assert.strictEqual(
         result,
-        "0xee80d4ac03202e2246d51a596c76a18e1a6d899bed9f05246d998fb656d9bd1f"
+        "0x47173285a8d7341e5e972fc677286384f802f8ef42a5ec5f03bbfa254cb01fad"
       );
     });
   });