diff --git a/cadence/transactions/init.cdc b/cadence/transactions/init.cdc
index 899bfd8..33bce21 100644
--- a/cadence/transactions/init.cdc
+++ b/cadence/transactions/init.cdc
@@ -1,5 +1,5 @@
 transaction(code: String, key: String, initAccountsLabels: [String]) {
   prepare(acct: AuthAccount) {
-    acct.contracts.add(name: "FCL", code: code.decodeHex(), key: key, initAccountsLabels: initAccountsLabels)
+    acct.contracts.add(name: "FCL", code: code.utf8, key: key, initAccountsLabels: initAccountsLabels)
   }
 }
diff --git a/src/init.ts b/src/init.ts
index c94094d..294a5dd 100644
--- a/src/init.ts
+++ b/src/init.ts
@@ -60,7 +60,7 @@ export async function initializeWallet(config: {
     .send([
       fcl.transaction(initTransaction),
       fcl.args([
-        fcl.arg(Buffer.from(FCLContract, "utf8").toString("hex"), t.String),
+        fcl.arg(FCLContract, t.String),
         fcl.arg(encodeServiceKey(flowAccountPublicKey), t.String),
         fcl.arg(initAccountsLabels, t.Array(t.String)),
       ]),